Top 10 Best Ways To Master Endurance & Performance (2026)

Ranked Solutions

Ranked by how much each one actually moves the needle — our SAC Efficacy Score™, explained further down.

1. #1

   Creatine Monohydrate

   Supplement

   more power for repeated high-intensity efforts (less for steady-state)

   7.6/10SAC Efficacy Score™ⓘ

   • Effect size45%Moderate
   • Evidence40%Very strong
   • Reliability15%Works for most

   Phosphocreatine resynthesis for repeated high-intensity efforts + recovery between sessions. 5 g/day continuous. The performance-supplement floor.

   See the Best Creatine Supplements →What is Creatine Monohydrate?
2. #2

   Beetroot (Dietary Nitrate)

   Supplement

   improved time-trial performance + time-to-exhaustion via the nitrate to NO pathway (Lansley 2011)

   ⚑ depends on actual nitrate dose, which most labels do not disclose

   6.9/10SAC Efficacy Score™ⓘ

   • Effect size45%Moderate
   • Evidence40%Strong
   • Reliability15%Works for many

   A nitrate delivery vehicle: the nitrate to nitric-oxide pathway improves cycling time-trial performance and extends time-to-exhaustion — real, if dose-dependent on disclosed nitrate.

   See the Best Beetroot Supplements →What is Beetroot (Dietary Nitrate)?
3. #3

   Pre-Workout

   Supplement

   beta-alanine + citrulline + caffeine improve high-intensity endurance + output

   ⚑ at clinical doses, not proprietary blends

   6.9/10SAC Efficacy Score™ⓘ

   • Effect size45%Moderate
   • Evidence40%Strong
   • Reliability15%Works for many

   Citrulline (blood flow), beta-alanine (buffers fatigue) and caffeine — the dosed actives genuinely raise high-intensity endurance and output.

   See the Best Pre-Workout →What is Pre-Workout?
4. #4

   Beta-Alanine

   Supplement

   more output in the 30–180 s effort window (carnosine buffer)

   ⚑ the 30–180 s effort window only

   6.6/10SAC Efficacy Score™ⓘ

   • Effect size45%Moderate
   • Evidence40%Strong
   • Reliability15%Specific cases

   Muscle-carnosine buffer for the 30-180 second effort window (rowing, 400-800m, CrossFit). 3-5 g/day for 4+ weeks to saturate. The lactate-buffer tier.
5. #5

   Electrolyte Powder

   Supplement

   sustains performance + prevents cramping under heavy sweat / heat / long duration

   ⚑ matters for heavy sweaters, long/hot sessions, keto/fasting

   6.5/10SAC Efficacy Score™ⓘ

   • Effect size45%Moderate
   • Evidence40%Strong
   • Reliability15%Specific cases

   Replaces the sodium, potassium and magnesium lost in heavy sweat — the difference between fading and finishing in long or hot sessions.

   See the Best Electrolyte Powder →What is Electrolyte Powder?
6. #6

   Omega-3 (EPA/DHA)

   Supplement

   less exercise-induced inflammation; sustains training volume

   6.3/10SAC Efficacy Score™ⓘ

   • Effect size45%Modest
   • Evidence40%Moderate
   • Reliability15%Works for many

   Lowers exercise-induced inflammation + supports recovery between hard sessions. 1-2 g/day. The training-volume-sustainability tier.

   See the Best Omega-3 Fish Oil →What is Omega-3 (EPA/DHA)?
7. #7

   Magnesium Glycinate

   Supplement

   fewer exercise cramps + better recovery (replaces sweat losses)

   ⚑ mainly if depleted / cramping

   5.9/10SAC Efficacy Score™ⓘ

   • Effect size45%Modest
   • Evidence40%Moderate
   • Reliability15%Specific cases

   Lost in sweat at meaningful rates; deficiency drives exercise-associated cramps. 300-400 mg/day, evening. The cramp-prevention + recovery tier.

   See the Best Magnesium for Leg Cramps →What is Magnesium Glycinate?
8. #8

   CoQ10 (Ubiquinol)

   Supplement

   modest aerobic-capacity + recovery benefit in trained athletes

   5.6/10SAC Efficacy Score™ⓘ

   • Effect size45%Modest
   • Evidence40%Moderate
   • Reliability15%Specific cases

   Mitochondrial electron-transport cofactor — modest aerobic-capacity + recovery benefit in trained athletes (Zhang 2018 review). 100-200 mg/day.

   See the Best CoQ10 Supplements →What is CoQ10 (Ubiquinol)?
9. #9

   Cordyceps (C. militaris)

   Supplement

   small VO2max + time-to-exhaustion gains (Hirsch 2017); mixed elsewhere (Chen 2010), no large replicated RCT

   ⚑ only militaris fruiting body with disclosed beta-glucan is worth buying

   4.4/10SAC Efficacy Score™ⓘ

   • Effect size45%Modest
   • Evidence40%Preliminary
   • Reliability15%Narrow

   A biologically coherent aerobic-engine play — a militaris blend improved VO2max and time-to-exhaustion in one small trial — but the human evidence is thin and mixed.

   See the Best Cordyceps Supplements →What is Cordyceps (C. militaris)?
10. #10

    BCAAs

    Supplement

    may blunt central fatigue + support recovery on long/fasted sessions (Blomstrand 2006); effect is modest

    ⚑ mostly an intra-workout convenience for fasted/endurance/low-protein cases

    4.1/10SAC Efficacy Score™ⓘ

    • Effect size45%Small
    • Evidence40%Limited
    • Reliability15%Narrow

    A narrow endurance use case — free aminos for fasted training and a signal for blunting central fatigue on long efforts — but a convenience product, not a performance breakthrough.

    See the Best BCAA Supplements →What is BCAAs?

Our methodology

How every score on this page is calculated — transparent and free to cite.

Best-Of Buyer Guides

Curated product roundups for endurance & performance — every pick tested for evidence, quality, and price-per-active-mg.

Research & sources

The key human trials behind the rankings above — every PMID verified against its primary source.

1. Creatine MonohydrateKreider 2017 (ISSN Position Statement) — International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine · Journal of the International Society of Sports Nutrition · PMID 28615996
2. Creatine MonohydrateChilibeck 2017 — Effect of creatine supplementation during resistance training on lean tissue mass and muscular strength in older adults: a meta-analysis · Open Access Journal of Sports Medicine · PMID 29138605
3. Beetroot (Dietary Nitrate)Wylie 2013 (dose-response) — Beetroot juice and exercise: pharmacodynamic and dose-response relationships · Journal of Applied Physiology · PMID 23640589
4. Beetroot (Dietary Nitrate)Lansley 2011 (O2 cost) — Dietary nitrate supplementation reduces the O2 cost of walking and running: a placebo-controlled study · Journal of Applied Physiology · PMID 21071588
5. Pre-WorkoutPérez-Guisado 2010 — Citrulline malate enhances athletic anaerobic performance and relieves muscle soreness · Journal of Strength and Conditioning Research · PMID 20386132
6. Pre-WorkoutHobson 2012 — Effects of β-alanine supplementation on exercise performance: a meta-analysis · Amino Acids · PMID 22270875
7. Electrolyte PowderSawka 2007 — American College of Sports Medicine position stand. Exercise and fluid replacement · Medicine & Science in Sports & Exercise · PMID 17277604
8. Electrolyte PowderBaker 2017 — Sweating Rate and Sweat Sodium Concentration in Athletes: A Review of Methodology and Intra/Interindividual Variability · Sports Medicine · PMID 28332116
9. Omega-3 (EPA/DHA)Bhatt 2019 (REDUCE-IT) — Cardiovascular Risk Reduction with Icosapent Ethyl for Hypertriglyceridemia · New England Journal of Medicine · PMID 30415628
10. Omega-3 (EPA/DHA)Mozaffarian 2011 — Omega-3 fatty acids and cardiovascular disease: effects on risk factors, molecular pathways, and clinical events · Journal of the American College of Cardiology · PMID 22051327