Biohacking

Ben Greenfield

• 64% Trust Score
• 971 claims analyzed
• 2.2M followers
• 395 verified · 504 questionable · 70 debunked

Is Ben Greenfield trustworthy?

Ben Greenfield has a Verify Influencers Trust Score of 64 out of 100, which we classify as mixed. Of the 971 health claims we analyzed, 395 are verified by peer-reviewed research, 504 are questionable, and 70 are debunked.

Why this score

Ben Greenfield holds bachelor's and master's degrees in sports science and exercise physiology from the University of Idaho. A former Ironman triathlete, competitive athlete, and human performance consultant, he specializes in biohacking, longevity, nutrition, and optimizing fitness and biology. He is a New York Times bestselling author of 17 books, including *Boundless* and *Beyond Training*, and founder of Ben Greenfield Life.

Ben Greenfield's most repeated claims

• Verified (90/100) — Eat a low inflammation diet without much sugar, fried foods, and alcohol to maintain low inflammation levels (Nutrition & Diet) source
• Verified (70/100) — Chromium assists glucose metabolism and insulin sensitivity (Supplements & Compounds) source
• Verified (90/100) — Creatine supplementation increases strength regardless of age or training status, according to a recent meta-analysis. (Supplements & Compounds) source
• Questionable (48/100) — A 7-day very-low-calorie fasting-mimicking diet with higher protein content improves heart health markers and gut bacteria diversity more than one with lower protein. (Nutrition & Diet) source
• Questionable (46/100) — Drinking chocolate milk before exercise does not kick you out of ketosis when fasting; athletes fasting for ketosis can have a snack beforehand for a fueled workout. (Nutrition & Diet) source
• Verified (87/100) — Healthy hydration requires balancing water and electrolytes; when sweating, replenish both to avoid muscle cramps, headaches, and energy slumps. (Exercise & Fitness) source
• Questionable (44/100) — Cryotherapy reduces inflammation, clears up skin issues, and increases collagen production to reduce the appearance of wrinkles and cellulite. (Cold & Heat Therapy) source
• Debunked (28/100) — Ice bath before exercise boosts LH and testosterone; after suppresses. (Cold & Heat Therapy) source
• Verified (73/100) — Restricting feeding to 2 to 3 meals per day with less than 10 hours of daily food intake promotes weight loss and glycemic control in type 2 diabetes patients (Nutrition & Diet) source
• Verified (88/100) — Creatine supplementation improves bench press/chest press strength by +1.4 kg, squat strength +5.6 kg, vertical jump +1.48 cm, peak power +47.8 watts; uses getkion creatine (Creapure) (Supplements & Compounds) source

Verified claims

• Verified (90/100) — Eat a low inflammation diet without much sugar, fried foods, and alcohol to maintain low inflammation levels (Nutrition & Diet) source
• Verified (70/100) — Chromium assists glucose metabolism and insulin sensitivity (Supplements & Compounds) source
• Verified (90/100) — Creatine supplementation increases strength regardless of age or training status, according to a recent meta-analysis. (Supplements & Compounds) source
• Verified (87/100) — Healthy hydration requires balancing water and electrolytes; when sweating, replenish both to avoid muscle cramps, headaches, and energy slumps. (Exercise & Fitness) source
• Verified (73/100) — Restricting feeding to 2 to 3 meals per day with less than 10 hours of daily food intake promotes weight loss and glycemic control in type 2 diabetes patients (Nutrition & Diet) source

Debunked claims

• Debunked (28/100) — Ice bath before exercise boosts LH and testosterone; after suppresses. (Cold & Heat Therapy) source
• Debunked (38/100) — Aspirin (salicylic acid) in doses above 650 mg can interfere with the chemical reaction on a CGM sensor, leading to inaccurate data. (Technology & Devices)
• Debunked (31/100) — TM practitioners with 4-5 hours sleep perform like non-meditators with 8-9 hours. (Sleep & Recovery)
• Debunked (32/100) — A 30-minute session in a Shiftwave chair can significantly increase HRV and provide the equivalent recovery of a power nap through 'synthetic sleep' technology. (Technology & Devices)
• Debunked (39/100) — The Shiftwave chair uses tuned vibration patterns to shift the nervous system into parasympathetic dominance in as little as 5 minutes, improving HRV in real-time. (Technology & Devices)

Products Ben Greenfield promotes

• Boundless Updated & Revised — 96/100
• Creatine — 92/100
• Clean Protein — 91/100
• Beyond Training — 90/100
• Omega Fish Oil — 88/100
• Medium Roast Coffee — 88/100
• Decaf Whole Bean Coffee — 86/100
• Boundless Cookbook — 85/100
• Light Roast Coffee — 84/100
• Boundless — 83/100
• Boundless Cooking Bundle — 83/100
• Aminos Powder — 83/100

Frequently asked questions

What is Ben Greenfield's trust score?

Ben Greenfield has a Verify Influencers trust score of 64 out of 100, based on analysis of 971 health claims against peer-reviewed scientific research.

Is Ben Greenfield trustworthy for health advice?

Ben Greenfield has a Verify Influencers Trust Score of 64 out of 100, which we classify as mixed. Of the 971 health claims we analyzed, 395 are verified by peer-reviewed research, 504 are questionable, and 70 are debunked.

How many claims has Ben Greenfield made?

We have analyzed 971 health claims from Ben Greenfield across YouTube, social media, podcasts, and their website.

Scores follow a fixed rubric and are re-checked on a rolling cycle. How we score and how to request a correction. Last updated 2026-06-01.

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