Find supplements that actually work
Most supplement sites want to sell you something. SupStack just helps you figure out what's backed by real research — and what's not worth your money.
How it works
Three steps to cut through the noise
Pick your goals
Sleep, focus, recovery, energy — whatever you're trying to improve.
See what works
Get a list of supplements ranked by how strong the research actually is.
Build your stack
Save your selections and get a shareable link to show friends, trainers, or doctors.
What makes SupStack different
Research, not marketing
Every supplement is rated based on actual clinical studies — not influencer posts or manufacturer claims.
Start with your goals
Looking to sleep better? Recover faster? SupStack shows you what the science actually supports.
Build your stack
Save the supplements you're taking or considering, and share your stack with others.
Safety info upfront
Interactions, side effects, and who should skip it — all in one place.
Strongest evidence
Supplements with the most solid research behind them
Caffeine
The world's most widely used stimulant, with strong evidence for enhancing alertness, focus, and physical performance.
Creatine
The most researched supplement for strength, power, and cognitive function under stress.
Melatonin
The body's natural sleep hormone, highly effective for circadian rhythm regulation and reducing time to fall asleep.
Omega-3
Essential fatty acids critical for brain health, mood regulation, and reducing inflammation throughout the body.
Whey Protein
The gold standard protein supplement for muscle building, recovery, and convenient protein intake.
Magnesium
An essential mineral involved in 300+ enzymatic reactions, crucial for sleep, stress, muscle function, and cognitive health.
Latest Research
Recently discovered studies across the supplement library
Dietary Nitrate Supplementation and Exercise Performance: An Umbrella Review of 20 Published Systematic Reviews with Meta-analyses
Senefeld JW et al. • Sports Medicine (2025)
Dietary nitrate supplementation benefits exercise performance across multiple meta-analyses.
- 8.3-16.4 mmol (515-1017 mg) nitrate recommended
- Acute and chronic supplementation both effective
- More effective under hypoxic conditions or fatigue
Effects of Beetroot Juice on Physical Performance in Professional Athletes and Healthy Individuals: An Umbrella Review
Wang Y et al. • Nutrients (2025)
Professional athletes showed muscular strength benefits while non-athletes had aerobic endurance improvements.
- Population-specific effects identified
- Muscular strength benefits in athletes (SMD=0.27)
- Aerobic endurance improvements in non-athletes (SMD=0.26)
Effects of Collagen Supplements on Skin Aging: A Systematic Review and Meta-Analysis
Almohanna HM et al. • The American Journal of Medicine (2025)
23 RCTs showed improvements in hydration, elasticity, and wrinkles, though quality of studies varied.
- 23 RCTs with 1474 participants
- High-quality studies showed less effect
- Funding source influenced outcomes
Sodium intake for athletes before, during and after exercise: review and recommendations
Turner MJ et al. • Performance Nutrition (2025)
Exercise performance appears improved by sodium intake when fluid intake is greater in the sodium trial.
- Sodium benefits linked to improved hydration
- No evidence athletes need more daily sodium
- Pre-exercise sodium loading can benefit fluid retention
Stop guessing. Start with the research.
Find out which supplements are worth trying — and which ones you can skip.
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