Evidence-based nutrition

We read the studies. You get the answers.

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The Definitive Guide

Recovery: What Works, What Doesn't, and What's Quietly Costing You Muscle

The full evidence ranking from massage to stretching. The ice bath trade-off most people don't know about. And the 25-year finding that reframes the entire recovery conversation.

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Myths we killed 4

Ice baths are the best recovery tool

Sauna builds muscle through growth hormone

Stretching after training helps recovery

Foam rolling speeds up muscle recovery

7 studies 1 RCTs 3 meta-analyses Triple-verified Explore cluster →

What the evidence says

Best Recovery Method After Working Out — Ranked by Evidence A 99-study meta-analysis comparing nine recovery modalities found massage reduces post-workout soreness (DOMS) far more effectively than any alternative: g=-2.26, roughly five times the effect of cold water… 2:50 · 5 studies

Can You Overtrain From Lifting Weights? Scientists tried really hard to make people overtrained from lifting weights. They studied it for 25 years across 22 experiments. They made people do maximal squats every single… 3:00 · 2 studies

Does Sauna Bathing Help With Recovery and Muscle Growth — or Is the Growth Hormone Hype a Myth? The fitness internet's favorite sauna claim — that it boosts growth hormone 16x and builds muscle — has zero studies behind it. Nobody in forty studies across twelve… 2:47 · 2 studies

Do Ice Baths Actually Hurt Your Muscle Growth — and When Should You Avoid Them? An 8-study Bayesian meta-analysis found that regular cold water immersion after resistance training probably attenuates muscle growth (combined effect: -0.22, 95.7% probability of a negative effect). The most… 3:15 · 5 studies

Ice Bath or Sauna — Which Is Better for Recovery After Training? Ice baths genuinely reduce soreness for a day or two, but the same cooling that numbs the pain also suppresses the signals your muscles need to grow —… 3:12 · 7 studies

Do Compression Garments Actually Help with Recovery — or Is It Placebo? Compression tights probably help with recovery — two separate analyses found they reduce soreness after hard exercise. But the effects are small (all scored barely above the line… 2:45 · 2 studies

What Does Foam Rolling Actually Do for Recovery? You know how foam rolling makes you feel better after a hard workout? That part is real — about 66% of people experience less soreness. But feeling less… 3:00 · 1 studies

Does Taking Ibuprofen After Training Actually Hurt Your Muscle Growth? A study gave young adults who hadn't been lifting regularly either ibuprofen or low-dose aspirin while they trained for eight weeks. The ibuprofen group's muscles grew about half… 3:10 · 2 studies

The papers we actually read

Compression Tights: Every Recovery Score Was a C+ Compression garments passed all four recovery tests with moderate effects — but every score clustered just above the line where… Hill et al. · 2014 · British Journal of Sports Medicine · n=0

Sauna Boosts Growth Hormone 16x. Then What? Hussain and Cohen's 2018 systematic review examined forty sauna studies and found health outcomes spanning nine categories, but zero studies… Hussain et al. · 2018 · Evidence-Based Complementary and Alternative Medicine

Scientists Tried to Overtrain Lifters for 25 Years Across 22 studies and 25 years, researchers never once confirmed overtraining syndrome in lifters. The only reliable warning sign was… Grandou et al. · 2020 · Sports Medicine

The Ibuprofen Dose That Quietly Halves Muscle Growth Taking the maximum over-the-counter ibuprofen dose daily approximately halved muscle growth over eight weeks of resistance training — while both… Lilja et al. · 2018 · Acta Physiologica · n=31

Foam Rolling Works, Just Not the Way You Think Across 21 studies and 454 participants, foam rolling's only consistent effect is making you feel less sore. Sprint recovery, strength… Wiewelhove et al. · 2019 · Frontiers in Physiology · n=454

Does Your Ice Bath Cost You Muscle? (Meta-Analysis) Post-workout cold water immersion has a 95.7% probability of blunting muscle growth — and when researchers tested both conditions inside… 144s · Piñero et al. · 2024 · European Journal of Sport Science

99 Studies Ranked Every Recovery Method. Stretching Lost. Massage ranked #1 for reducing muscle soreness − by the largest margin of any method tested. Stretching ranked last −… Dupuy et al. · 2018 · Frontiers in Physiology · n=1,188

Nutrition

The job it does is identical to the job done by a turkey sandwich, a bowl of rice and chicken, or a glass of regular milk with a banana.

The Recovery Drink That Works for the Wrong Reasons

3 min read 604 words

Training

Two options showed up with your alarm. Go work out with muscles that are still sore from Tuesday — and risk shredding tissue that hasn't finished repairing. Or skip and watch the consistency streak die while guilt fills the gap.

Your Sore Muscles Are Sending the Wrong Signal

3 min read 645 words

Sleep & Recovery

Collagen concentrations increase in aging muscle connective tissue, and that added rigidity appears to shield fibers from the mechanical forces that tear them apart.

Age Changed Your Recovery. Just Not the Part You Think.

3 min read 579 words

BUILT TO PROVE OURSELVES WRONG

5 verification gates. 3 pipelines. 28+ kill switches.

Nothing publishes without surviving our Skeptic Protocol — the system we built to catch our own mistakes.

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