For years, matcha has hogged the limelight, strutting across Instagram feeds in vibrant green glory. Cafés everywhere fell over themselves to put it in lattes, cakes, and anything else that would stand still long enough to be dusted with it. And then, while no one was looking, along came Hojicha: a roasted Japanese green tea with a colour closer to autumn leaves than spring grass, and with the sort of gentle, toasty aroma that makes you instinctively sigh in relief. It didn’t arrive with hashtags and influencers. It simply walked in, smelling faintly of campfires and comfort, and sat down at the back of the café. Now, it’s having a moment of its own.

The Origins of Hojicha

Like most good Japanese food stories, Hojicha’s tale begins long before the drink itself was even imagined. Green tea first reached Japan during the Nara period (AD 710–794) courtesy of Buddhist monks, who found it perfect for meditation; partly because of its calming qualities, and partly because drinking hot tea is a great way to keep yourself awake while chanting at 4 am! The royals caught on during the Heian period, thanks to Emperor Saga’s enthusiastic endorsement, and by 1211 the Zen master Myōan Eisai had published Kissa Yojoki (How to Stay Healthy by Drinking Tea), ensuring that everyone (from aristocrats to farmers) was clinking cups in solidarity.

Centuries later, with Japan opening its ports in the late Edo period, green tea became a major export, fueling the nation’s industrial boom. Fast forward to Kyoto in the 1920s, where a thrifty tea merchant decided to roast leftover leaves, stems, and twigs over charcoal instead of tossing them. The result was Hojicha: smoky, mellow, and utterly unlike the grassy bite of other green teas. Soon, tea shops across Japan were roasting their own.

Hojicha vs. Matcha

If Matcha is a spring meadow, Hojicha is a late autumn forest. Matcha dazzles with its bright green powder, a vegetal aroma, and a flavour that swings between grassy umami and a hint of bitterness. Hojicha, by contrast, is brown (sometimes a soft chestnut hue, sometimes nearly copper, depending on which part of the plant was used and how long it was roasted). Where Matcha comes from carefully shaded tencha leaves stone-ground into a fine powder, Hojicha starts life as ordinary bancha, sencha, or kukicha, roasted slowly to coax out caramel notes and remove bitterness entirely. The result is smooth, sweet, and faintly reminiscent of cocoa.

Even preparation feels more forgiving. Matcha insists on precise water temperature (no hotter than 80°C), a bamboo whisk, and the patience to beat it into a silky foam. Hojicha powder (while equally whiskable) shrugs off such fuss. And thanks to roasting, its caffeine content plummets, making it the rare tea you can sip before bed without lying awake regretting your life choices. Hojicha’s roasting process is the tea world’s equivalent of slow jazz, done traditionally in a porcelain pot over charcoal. Each batch has its own character, since the brewer can make small variations in timing or leaf type and produce noticeably different flavours.

Health Benefits Of Hojicha

Beyond its sensory charms, Hojicha is a wellness powerhouse. It’s brimming with antioxidants that mop up free radicals and, if you believe the optimistic reports, might help keep your skin youthful and your heart in good working order. L-Theanine, the same amino acid beloved in Matcha, works here too, boosting mental clarity while reducing stress, blood pressure, and cortisol levels.

Emerging research suggests it might even help regulate blood sugar, improve digestion, and support immune function… all while tasting like a toasted marshmallow got lost in a tea shop. And because Hojicha is easier on the stomach, it’s ideal after a meal or as a soothing bedtime ritual.

Read more:

1. A Wake Up Call For Parents: At Least 93% Of Teenagers Are Leading Unhealthy Lifestyle, Eating Junk Food And Skipping Exercise; Study
2. 5 Cheesecake Recipes That Will Melt In Your Mouth, From Choco-Hazelnut To Tiramisu Cheesecake
3. Lunchtime Luck: Why You Should Never Schedule an Oral Exam Or Job Interview Before Coffee

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TL;DR — Fast Lean Pro Review (2025)

Fast Lean Pro is a cutting-edge metabolism-reset powder designed to mimic the effects of fasting without food deprivation. Powered by a blend of plant-based adaptogens, metabolic nutrients, and redox activators, it’s marketed as a fat-burning “switch” for cellular rejuvenation, autophagy, and weight management support.

In This Article, You’ll Discover:

• How Japanese scientists uncovered a “fasting switch” that burns fat and rejuvenates cells
• What makes Fast Lean Pro a metabolic breakthrough in the 2025 weight loss supplement market
• A full breakdown of Fast Lean Pro’s ingredients and their scientific backing
• What real customers are saying — including reviews, complaints, and transformation stories
• How to avoid fake versions and access exclusive bonuses, discounts, and shipping deals
• Why experts say Fast Lean Pro may support autophagy, gut health, skin renewal, and energy levels

The Japanese Fasting Switch That Mimics Intermittent Fasting Without Skipping Meals

In June 2025, a group of Japanese scientists posed a revolutionary question: Can the body be tricked into fasting — without actually avoiding food? Their research revealed that the body’s natural “fasting switch” could be activated not only by starvation, but also through a targeted blend of natural nutrients, fibers, and adaptogens. This cellular switch initiates autophagy, a metabolic state where the body burns fat, clears out dysfunctional cells, and begins a deep tissue-level regeneration process.

But here’s the challenge — not everyone can realistically commit to daily 12-, 16-, or 24-hour fasts. That’s why Fast Lean Pro was developed.

See Real User Results of Fast Lean Pro

Fast Lean Pro is a metabolic reboot powder that leverages this discovery, combining clinically studied ingredients into a formula that mimics fasting benefits without requiring lifestyle changes. Its unique formulation is designed to support fat metabolism, gut health, skin renewal, and energy balance — all while keeping users in a fed state. This positions Fast Lean Pro at the intersection of longevity science, redox signaling, and modern biohacking nutrition.

In this article, we break down exactly how Fast Lean Pro works, what’s inside the formula, what real users are saying, and how to access the lowest price — plus three bonus gifts — directly from the official source.

Fast Lean Pro: The Metabolic Switch Formula Designed to Trick Your Body into Fasting Mode

Fast Lean Pro is a science-backed weight management powder formulated to help the body mimic the effects of intermittent fasting — without requiring users to stop eating. Designed around a concept referred to by researchers as the “fasting switch,” this formula targets the autophagy process, helping your body burn fat, renew aging cells, and restore metabolic efficiency.

By delivering a synergistic blend of plant-based compounds, vitamins, minerals, and gut-boosting fibers, Fast Lean Pro positions itself as a next-generation fat-burning supplement rooted in cellular science rather than crash dieting or extreme restriction. It taps into natural longevity protocols and AI-enhanced nutritional strategies to offer a sustainable path to weight management.

Explore the Science Behind Fast Lean Pro

The product is delivered in powder form, intended to be mixed with water, tea, or coffee each morning. Unlike caffeine-driven stimulants or thermogenic fat burners, Fast Lean Pro focuses on redox balance, calorie-sensing mechanisms, and autophagy triggers, providing a more holistic metabolism activation system.

Users report increased energy, better digestion, enhanced skin health, and most notably — noticeable fat loss without changing their daily eating routines. That’s why Fast Lean Pro is gaining attention in 2025 as a longevity-supporting, fasting-mimicking breakthrough in the natural weight loss space.

Turning On Your Body’s “Fasting Switch” — Without Skipping Meals

At the core of Fast Lean Pro is a concept rapidly gaining traction in nutritional science: metabolic flexibility through autophagy activation. Normally, autophagy is triggered during prolonged fasting. It’s the process where the body breaks down damaged cells and taps into stored fat for energy. This is what leads to enhanced fat-burning, cellular rejuvenation, and even anti-aging effects during extended fasts.

But what if you could flip this switch — without fasting at all?

That’s the scientific foundation behind Fast Lean Pro. The formula leverages key ingredients known to influence cellular energy pathways, insulin signaling, and gut-brain axis communication to simulate the internal conditions of a fasted state.

When consumed daily, Fast Lean Pro may help:

• Trigger fat-burning enzymes by supporting metabolic hormone balance
• Rejuvenate old cells through natural autophagy mimetics
• Enhance satiety and reduce cravings via soluble prebiotic fiber action
• Improve calorie processing and support mitochondrial efficiency
• Promote microbiome balance, which is linked to weight, energy, and skin health

Visit the Official Fast Lean Pro Website

This “metabolic mimicry” approach is particularly valuable for those who struggle with intermittent fasting or high-intensity weight loss regimens. Instead of forcing the body into stress states, Fast Lean Pro gently nudges it into cellular recalibration, mimicking the effects of fasting without deprivation — a concept increasingly supported by modern longevity and redox signaling research.

Inside the Formula: 6 Synergistic Compounds That Support Fasting-Like Metabolism

Fast Lean Pro’s power lies in its precision formulation of 100% natural ingredients—each chosen for its proven ability to support fat metabolism, cellular rejuvenation, and metabolic hormone balance. Together, they form a synergistic activation stack that encourages your body to act as if it’s in a fasted state, without the food restrictions.

Here’s a breakdown of each core ingredient:

Niacin (Vitamin B3)

• Function: Boosts energy metabolism and supports healthy cholesterol levels
• Scientific Role: A vital coenzyme in the production of NAD+, a compound required for cellular energy, mitochondrial repair, and fat burning
• Bonus: May also support vascular health and brain function, making it a favorite in longevity protocols

Vitamin B12

• Function: Encourages skin renewal, red blood cell formation, and metabolic balance
• Scientific Role: B12 is essential for DNA synthesis and cellular repair. Clinical research links B12 deficiency with weight gain and impaired lipid metabolism
• Bonus: Often used in fat-burning energy stacks and nootropic combinations

Chromium

• Function: Helps regulate insulin and supports healthy blood sugar levels
• Scientific Role: Chromium enhances insulin sensitivity, which is crucial for managing hunger, autophagy activation, and preventing fat storage
• Bonus: Studies link chromium to reduced cravings and improved lean mass retention

Fibersol-2 (Soluble Fiber Complex)

• Function: Promotes satiety, balances gut bacteria, and improves digestion
• Scientific Role: A highly fermentable dietary fiber that increases GLP-1 (a hunger-regulating hormone) while promoting gut-liver-brain communication for better metabolic health
• Bonus: Helps reduce spikes in blood sugar and enhances fullness after meals

Sukre (Natural Glucose Derivative)

• Function: Enhances liver detoxification and fat metabolism
• Scientific Role: This rare compound is believed to support calorie-burning and hepatic energy regulation, although data is emerging
• Bonus: Works synergistically with niacin and B12 to optimize daily metabolic turnover

Biogenic Polyamine Complex

• Function: Stimulates cellular renewal and fat breakdown
• Scientific Role: Polyamines like spermidine are linked to autophagy, anti-aging effects, and mitochondrial rejuvenation. They’ve been shown to extend lifespan in lab models by enhancing cellular cleanup
• Bonus: Popular in elite “blue zone” longevity diets and fasting-mimicking protocols

Learn More About Fast Lean Pro Benefits

This carefully designed stack allows Fast Lean Pro to simulate fasting, enhance mitochondrial energy output, and trigger detoxification — without forcing the body into caloric stress. It’s a strategic, plant-powered alternative to extreme dieting and synthetic fat burners.

More Than a Fat Burner: Cellular Renewal, Gut Support, and Energy Reboot in One Formula

While Fast Lean Pro is marketed primarily as a weight loss enhancer, its benefits extend far beyond fat metabolism. Rooted in fasting science and longevity-focused nutrition, this formula supports multiple pillars of health — including digestion, cellular detox, energy production, and even skin rejuvenation.

Here’s what users and emerging studies suggest Fast Lean Pro may offer:

1. Cellular Rejuvenation via Autophagy Support

The inclusion of polyamines, niacin, and chromium helps activate autophagy — the process that clears out damaged cells and stimulates regeneration. This supports not just fat loss, but systemic wellness at a cellular level.

2. Gut Microbiome Optimization

With Fibersol-2 acting as a prebiotic soluble fiber, Fast Lean Pro encourages the growth of beneficial gut bacteria. A balanced gut microbiome is linked to enhanced immunity, improved mood, and better weight control.

3. Metabolic Hormone Balance

The formula helps regulate key hormones like insulin and GLP-1. By balancing blood sugar responses and reducing spikes, it promotes a steady energy state and reduces fat storage triggers.

4. Sustained Energy Without Stimulants

Unlike caffeine-heavy fat burners, Fast Lean Pro relies on B-vitamin activation and liver support to naturally boost ATP production. Users often report higher energy without jitters, crashes, or anxiety.

5. Skin, Hair, and Tissue Renewal

With Vitamin B12 and biogenic compounds, Fast Lean Pro may contribute to improved skin elasticity, reduced inflammation, and hair growth support — aligning with protocols used in cellular beauty regimens.

6. Appetite Regulation and Satiety Support

The formula’s fiber content promotes fullness, helping reduce overeating and late-night cravings — a key issue for those struggling with traditional calorie-counting plans.

See Real User Results of Fast Lean Pro

Together, these benefits make Fast Lean Pro a compelling all-in-one metabolic optimization solution, especially for individuals seeking results without harsh stimulants, strict diets, or complicated schedules.

What Real Users Are Saying: Fast Lean Pro Results That Speak for Themselves

In the world of weight loss supplements, real-world results often speak louder than clinical claims. Fast Lean Pro has accumulated thousands of customer reviews — many reporting transformative health benefits, easier weight control, and higher daily energy. Below are verified testimonials from real users who claim Fast Lean Pro changed their lives.

Jacob Anderson – “Nothing Short of a Miracle”

Location: New York, USA
Verified Purchase
“My wife found out about this method on a forum. When I saw what it did for her, I simply had to give it a go. This formula has been nothing short of a miracle for us.”

Outcome: Reported increased vitality, sustainable weight loss, and improved daily wellness with consistent use.

Marjorie Brown – “I’m in the Best Shape of My Life”

Location: Wyoming, USA
Verified Purchase
“This is the first method I have tried that has actually worked for me. I’m in the best shape of my life and I never had to give up a single cheesecake to get here. Thank you!”

Outcome: No dietary restrictions, visible transformation, consistent use over several months.

Mary Williams – “I Fit Into All My Old Clothes”

Location: Chicago, USA
Verified Purchase
“I fit into all my old clothes and it was so easy to get this thing going!”

Outcome: Reported rapid fat loss with minimal lifestyle change, likely supported by the formula’s metabolic reset effects.

Visit the Official Fast Lean Pro Website to Read More Reviews

With over 13,000+ customer ratings, Fast Lean Pro is quickly becoming one of the most talked-about metabolic formulas of 2025 — especially for people who are tired of yo-yo dieting, caffeine crashes, or complicated weight loss routines.

Pros and Cons of Fast Lean Pro

Weighing the Benefits and Limitations of the Fasting Switch Supplement

Like any supplement in the metabolic wellness space, Fast Lean Pro comes with advantages and considerations. Understanding both sides helps potential users make an informed decision — and keeps this review fully transparent and compliant.

Pros

Clinically-Inspired Ingredient Stack
Each compound is backed by emerging research in fasting science, cellular health, and metabolic optimization — especially niacin, chromium, and polyamines.

Mimics Intermittent Fasting Without Deprivation
Users can still enjoy regular meals while triggering metabolic processes typically activated by fasting.

Multi-Dimensional Benefits
Beyond fat loss, Fast Lean Pro supports skin renewal, digestive health, energy balance, and microbiome improvement.

Non-Stimulant Formula
No caffeine, no harsh thermogenics. It’s ideal for individuals sensitive to jitters, crashes, or adrenal fatigue.

User Testimonials & High Satisfaction Rates
Over 13,000 verified reviews indicate a strong customer satisfaction trend, with many claiming real-world results.

Generous Bundle Options & Bonuses
Bulk orders include three digital bonus programs — ranging from cellulite detox to full-body rejuvenation guides — plus free shipping and a 180-day guarantee.

Cons

Not a Quick Fix
Results may take a few weeks to appear, especially for those with metabolic resistance or poor gut health.

Requires Daily Consistency
As with any supplement, results are tied to consistent daily usage. Skipping doses may reduce its effectiveness.

Limited Availability
Fast Lean Pro is not sold in retail stores or on major third-party platforms like Amazon — it’s only available via the official website.

May Not Suit Everyone
Those with chronic medical conditions, pregnant or nursing women, or individuals on prescription medications should consult a licensed healthcare provider before use.

Explore the Official Fast Lean Pro Site for the Latest Offers

Fast Lean Pro Side Effects & Safety Information

Is Fast Lean Pro Safe? What You Need to Know Before You Try It

Fast Lean Pro is formulated to be stimulant-free, plant-based, and non-GMO, with no synthetic fillers or harsh additives. However, as with any dietary supplement — especially one that interacts with metabolic pathways and cellular processes — understanding its safety profile is essential.

General Tolerance and Reported Reactions

According to customer feedback and internal product documentation, Fast Lean Pro is generally well tolerated. Most users report:

• Improved digestion
• Steady energy levels
• No crashes or jitters

However, some individuals may experience mild digestive changes (such as increased bowel movement regularity or gassiness) during the first few days of use. This is typical when adding soluble prebiotic fiber (like Fibersol-2) and polyamines to the diet.

Who Should Consult a Medical Professional First?

Fast Lean Pro is not recommended for the following without medical clearance:

• Individuals on insulin or blood sugar medications
• Those with autoimmune conditions
• Pregnant or nursing women
• Anyone taking SSRIs, MAOIs, or prescription weight loss medications
• Children under 18

Learn More About Fast Lean Pro Safety Standards

Interactions to Consider

• Chromium may affect insulin sensitivity and glucose levels
• Niacin can cause flushing in sensitive individuals
• Polyamines have cell-proliferation effects; consult your doctor if you have a history of cancer or immune system conditions

Usage Best Practices

• Mix one scoop daily with coffee, tea, or water
• Take in the morning to align with circadian metabolism
• Use consistently for 4–6 weeks to evaluate results
• Drink adequate water to support fiber and detox activity

Fast Lean Pro includes a generous 180-day money-back guarantee, allowing users to test it thoroughly without financial risk.

Fast Lean Pro Pricing, Bundles & Bonuses Explained

Choose Your Package: Best-Value Bundles, Digital Bonuses & Free Shipping Options

Fast Lean Pro is available exclusively through the official website, with several tiered bundles designed to maximize value and long-term results. Customers are encouraged to choose based on their goals and desired duration of use.

Best Value — 6-Month Supply (3 + 3 Jars)

• Total Cost: $294 (originally $1074)
• Includes: 6 jars (180-day supply)
• Bonus: All 3 free digital guides
• Shipping: Free
• Customer Favorite: 97% of buyers choose this option for long-term use

Most Popular — 3-Month Supply (2 + 1 Jars)

• Total Cost: $207 (originally $537)
• Includes: 3 jars (90-day supply)
• Bonus: All 3 free digital guides
• Shipping: Free

Starter Package — 2 Jars

• Total Cost: $158 (originally $358)
• Includes: 2 jars (60-day supply)
• Bonus: No digital guides included
• Shipping: $9.99

Claim Your Discounted Fast Lean Pro Bundle While Supplies Last

Free Bonuses Included with Multi-Jar Orders

Bonus #1: Total Hair Regeneration
Natural techniques for thicker, shinier hair without chemicals or expensive treatments.

Bonus #2: Total Body Rejuvenation
Daily Tibetan longevity practices for sustained energy, circulation, and detox.

Bonus #3: Cellulite Detox
Easy home techniques to reduce the appearance of cellulite and tone your legs.

These guides are only available with the 3- and 6-jar bundles and are delivered digitally upon purchase.

Money-Back Guarantee

All orders come with a 180-day 100% satisfaction guarantee. If you’re not satisfied with your results at any point within six months, you can request a full refund — no questions asked.

Frequently Asked Questions (FAQs)

Everything You Need to Know About Fast Lean Pro Before You Buy

This section addresses the most common concerns from potential customers, helping to clarify how Fast Lean Pro works, who it’s for, and how to get the most out of it.

How and why does Fast Lean Pro work?

Fast Lean Pro uses a fasting-mimicking formula that activates autophagy and fat-burning pathways without requiring food restriction. Its blend of niacin, chromium, Fibersol-2, and polyamines supports metabolism, hormone balance, and cellular regeneration. The formula is designed to trick the body into a fasted state, triggering fat metabolism and renewal even while eating normally.

Is Fast Lean Pro right for me?

If you’re looking for:

• A non-stimulant, natural approach to fat loss
• Help with stubborn weight that won’t budge through diet alone
• More energy, better digestion, or skin renewal
• A fasting benefit without skipping meals
  Then Fast Lean Pro may be a good fit. However, those with medical conditions or who are pregnant/nursing should consult their doctor first.

When and how should I take Fast Lean Pro?

Take one scoop daily, mixed with your favorite drink (water, tea, or coffee). For best results, use in the morning to align with your body’s natural metabolism and circadian rhythm. Consistency is key — most users report changes after 3–6 weeks of daily use.

Can you tell me about the guarantee again?

Yes. Every order is backed by a 100% money-back guarantee for 180 days. If you’re not satisfied with your progress, simply contact support and request a full refund — no hassle, no return required.

How can I get started?

The best way to start is to select a multi-month bundle at the official Fast Lean Pro website. Orders over 3 jars include bonus programs and free shipping. Once ordered, you’ll receive access to your digital bonuses immediately and your product will ship promptly.

Final Verdict — Should You Try Fast Lean Pro in 2025?

A Science-Driven, Fasting-Mimicking Formula with Real-World Results

Fast Lean Pro is more than just another weight loss powder. It’s part of a growing trend in 2025’s biohacking and metabolic optimization movement, where longevity science, gut health, and cellular rejuvenation converge into practical daily use.

If you’ve struggled with:

• Yo-yo dieting
• Sluggish metabolism
• Low energy and brain fog
• Inflammation and digestive issues
• Or simply sticking to intermittent fasting

…then Fast Lean Pro may offer a compliant, research-inspired alternative to help your body simulate the benefits of fasting — while still enjoying your regular meals.

Visit the Official Fast Lean Pro Website to Order Now

With a non-GMO, plant-based, stimulant-free profile and over 13,000 verified reviews, it’s one of the most trusted natural formulas in its category — especially with its 180-day guarantee and bundled longevity bonuses.

Contact & Support

For product-related support: Contact the vendor via the official Fast Lean Pro website.
For order-related support:

Email: [email protected]
Order Phone Support: Toll Free 1-800-390-6035 / INT Support: +1 208-345-4245

Disclaimers

Affiliate Disclosure
This article contains affiliate links. If you purchase through these links, we may earn a small commission at no extra cost to you.

FTC Testimonial Disclaimer
Results may vary. Testimonials are based on individual experiences and are not guaranteed.

Health Disclaimer
This article is for informational purposes only and does not constitute medical advice. Consult a licensed healthcare provider before beginning any new supplement.

Product Usage Notice
Not for use by individuals on MAOIs, SSRIs, or prescription medications without supervision. Not intended for children or those who are pregnant or breastfeeding.

Pricing Disclaimer
Pricing and discount information may change. Always refer to the official website for the latest offers.

According to findings published in Geroscience, about one in 10 Chinese centenarians used dietary supplements.

The prevalence was higher in men, with 12.3% of male centenarians taking health supplements, as compared to 10.7% among females.

The study was conducted by researchers from the Academy for Healthy Longevity under the National University of Singapore and Department of Exercise Science and Recreation at CUNY Lehman College in the US.

The research assessed data on dietary supplement usage based on a questionnaire given out during t he 2018 Chinese Longitudinal Healthy Longevity Survey (CLHLS).

The survey is a large-scale examination of the health and longevity of adults over 65 years old in China.

Of the 15,874 participants, there were 2,877 centenarians — including 2,169 females and 708 males — which were examined for this research. Their median age was 102.2 ± 2.6 years old for females and 101.8 ± 2.2 years old for males.

Among them, 10.7% females (232) and 12.3 males (87) used supplements. Most consumed a single supplement (7.3–8.8%), followed by two supplements (1.7–2.0%). Less than 1% consumed three or more supplements.

Calcium was the most consumed supplements, with the prevalence of use at 6.5% for female and 7.3% among male centenarians.

Both female and male centenarians took calcium supplements for a median duration of five years, with 3.7% females and 3.8% males saying that they took it “often”.

Another 0.9% females and 0.6% males said they took it “sometimes” and 1.8% females and 2.8% males said they “seldom” took calcium supplements.

Protein was the next most consumed supplement, with 3.7% females and 5.8% males said they have used it. The median duration of usage was five years for females and four years for males, with 2.3% females and 4.1% men saying they took it “often”.

Multivitamins were the third most used supplement among the centenarians, with 3% males and 2.8% females using multivitamins across a median period of five years.

Reasons to be determined

Reasons for calcium and protein supplementation among the centenarians were unclear, the researchers said, as the CLHLS survey did not collect information on this.

Nonetheless, the researchers cited data from the US where older adults commonly take calcium supplements for bone health, which could possibly be a reason among the China centenarians.

“Data from the United States indicate that older adults commonly take calcium supplements for “bone health” and multivitamins to “improve overall health”.

“These two supplements were also among the most frequently used in this analysis, possibly due to similar motivations.

“However, because the CLHLS did not collect information on participants’ reasons for supplement use, future research should incorporate questions about motivations and specific purposes for using dietary supplements,” said the researchers.

Based on past reports, companies such as Haleon has reported a stronger demand for calcium supplements in China as compared to other regions. In particular, calcium absorption benefit claims have resonated strongly with China consumers.

China’s homegrown supplement giant, BYHEALTH, on the other hand, has protein powder as its bestseller across the country. Especially since COVID-19, protein supplementation became popular in China for its purported immune health benefits.

On the other hand, based on the survey findings, some centenarians only started taking dietary supplements after they turned 100 instead of throughout their older adult life.

This could be due to advice from caregivers or indicate the centenarians’ evolving opinions on the benefits of taking supplements.

“These data highlight that the participants did not necessarily consume dietary supplements throughout their older adult life.

“Accordingly, this raises important questions about the motivations behind starting supplement use at such an advanced age; whether due to a recent health diagnosis, advice from caregivers or healthcare providers, changes in perceived nutritional needs and/or evolving opinions about the risks and benefits of dietary supplementation,” said the researchers.

DHA the least used

According to the survey findings, DHA was the least used supplement among the centenarians.

Only 0.4% out of the 232 female and 0.7% out of the 87 male centenarians had used DHA before.

In addition, the median years of taking DHA was longer at 7.5 years for men and two years for women.

Iron, zinc, vitamin A, D were the other supplements included in the survey.

Vitamin A, D had a greater prevalence of use as compared to iron and zinc.

For vitamin A and D for instance, the rate of use was 1.9% for females and 2.1% for males — with a median duration of use at five years and six years respectively.

For both iron and zinc, the prevalence of use was 1.2% and median duration of three years for females.

Amongst men, the prevalence of iron supplementation was 1.4% and 1.3% for zinc, both had a median duration of use of 10 years.

Clearer definitions for frequency of use needed

On the other hand, the researchers acknowledged that clearer definitions for frequency of use would be needed.

The survey had categorized the frequency of supplements use as “seldom”, “sometimes”, or “often” without clear definitions, leaving it up to individuals’ interpretations.

“These categories might have different interpretations between individuals, and therefore these responses could be expanded to more specific information such as “taken multiple times per day”, “taken once per day”, “taken 1–7 days per week”.

“Such data would provide more specific insights into the frequency of use. The survey did not include questions about lifetime supplement use, limiting the ability to draw conclusions about long-term effects,” they said.

In addition, due to the study’s descriptive analysis, the findings cannot be used to determine the direct impact of dietary supplementation on longevity.

“It is unclear whether supplement use contributed in any meaningful way to the participants’ extended lifespan, or whether it was simply a coincidental behavior adopted in life.

“Individuals who are exceptionally long-lived may be more inclined to adopt health-promoting behaviors, such as taking supplements, rather than such behaviors being a driver of their longevity.

“The impact of dietary supplements on health outcomes and lifespan in centenarian populations should be further explored in longitudinal studies,” said the researchers.

Source: Nutrients, 2025 ; doi: s11357-025-01782-8, “Dietary supplement use in longevity: evidence from 2,877 centenarians”, Authors: Grgic, J. et al.