Enhance stamina and aerobic capacity. Ranked by evidence strength from 36 supplements backed by peer-reviewed clinical research.
A natural source of nitrates that boosts nitric oxide, improving blood flow, endurance, and exercise performance.
3-5% improvement in time trial performance
Proven ergogenic aid that buffers lactic acid, extending high-intensity exercise capacity by 1-3%.
1-3% improvement in high-intensity performance
Increases muscle carnosine to buffer acid during high-intensity exercise, extending endurance for 1-4 minute efforts.
2-3% improvement in high-intensity capacity
The world's most widely used stimulant, with strong evidence for enhancing alertness, focus, and physical performance.
2-4% improvement in endurance performance
Essential minerals for hydration, muscle function, and performance — crucial for athletes, fasters, and those on low-carb diets.
Maintained exercise performance and reduced cramping
Amino acid that boosts nitric oxide production, improving blood flow, exercise performance, and recovery.
Improved endurance and reduced fatigue
A hyperhydrating compound that helps the body retain water, improving endurance performance and thermoregulation in heat.
Extended time to exhaustion, especially in heat
Essential mineral for oxygen transport and energy production — critical for those with deficiency, especially women and athletes.
Improved endurance and recovery if deficient
A powerful combination of L-citrulline and malic acid that enhances exercise performance, reduces fatigue, and improves muscle pumps.
Enhanced aerobic and anaerobic performance
Recovery-optimized form of carnitine with evidence for muscle recovery, androgen receptor upregulation, and exercise performance.
Better exercise capacity and reduced fatigue
An amino acid precursor to nitric oxide that supports blood flow, exercise performance, and cardiovascular health.
Enhanced blood flow and oxygen delivery
Medicinal mushroom traditionally used for energy and endurance, with emerging evidence for exercise performance.
May improve oxygen utilization and VO2 max
An amino acid involved in the urea cycle that may reduce fatigue and support recovery, especially during prolonged exercise.
Reduced ammonia-related fatigue
The three essential amino acids (leucine, isoleucine, valine) that support muscle protein synthesis and reduce exercise fatigue.
Reduced mental fatigue during exercise
A potent racetam with stimulant properties that enhances physical performance, cold tolerance, and cognitive function.
Enhanced physical stamina and cold tolerance
A powerful flavonoid found in dark chocolate that may enhance muscle growth, endurance, and cardiovascular health by inhibiting myostatin.
Enhanced mitochondrial biogenesis and exercise capacity
An adaptogenic herb that combats fatigue, enhances stress resilience, and improves mental performance under pressure.
Delays perceived exertion and improves time-to-exhaustion
A powerful adaptogen that reduces cortisol, anxiety, and stress while supporting sleep quality and recovery.
VO2max improvement of ~3-5% in trained individuals
Powerful carotenoid antioxidant from algae, studied for skin health, eye protection, and exercise recovery with unique membrane-spanning properties.
Improves fat oxidation and exercise endurance in athletes
A dipeptide with powerful anti-glycation and antioxidant properties that supports longevity, muscle performance, and brain health.
Muscle pH buffering (beta-alanine more effective)
Complete essential amino acid blend that maximizes muscle protein synthesis — superior to BCAAs alone.
Reduces muscle breakdown during prolonged exercise
Adaptogen that supports endurance, stress resilience, and immune function — distinct from true ginseng.
Improves endurance capacity and oxygen utilization
Traditional adaptogen used for centuries to combat fatigue, enhance cognitive function, and support overall vitality.
Adaptogenic support improves exercise capacity and VO2max
Peruvian root vegetable traditionally used for energy, libido, and hormonal balance without directly affecting hormone levels.
Improves exercise capacity at altitude and in trained individuals
An abundant amino acid with emerging longevity benefits that supports sleep, cardiovascular health, and exercise recovery.
Improves time-to-exhaustion and reduces oxidative muscle damage
A nutrient-dense superfood collected by bees containing protein, vitamins, minerals, and antioxidants to support energy and immunity.
Better exercise recovery
A nutrient-dense blue-green algae with complete protein, antioxidants, and immune-supporting properties.
Antioxidant phycocyanin reduces exercise-induced oxidative stress
An essential mineral involved in 300+ enzymatic reactions, crucial for sleep, stress, muscle function, and cognitive health.
Magnesium status correlates with VO2max and exercise performance
Postbiotic that triggers mitophagy — the cleanup of damaged mitochondria — to support muscle health and cellular energy.
Mitochondrial recycling improves muscle endurance capacity
Ancient Ayurvedic substance containing fulvic acid and minerals, used for energy, testosterone, and vitality.
CoQ10 and mineral synergy support exercise performance
A caffeine-like compound that provides clean energy and focus without tolerance buildup or jitters.
Adenosine receptor modulation delays perceived fatigue
A rapidly-absorbed fat that provides quick energy, supports ketone production, and may enhance cognitive function and metabolism.
Rapid ketone body production provides alternative fuel during exercise
The gold standard protein supplement for muscle building, recovery, and convenient protein intake.
Protein supports muscle repair for endurance training recovery
Leucine metabolite that helps prevent muscle breakdown and supports recovery, especially during caloric restriction or intense training.
Preserves lean mass during endurance training and caloric deficit
First milk rich in immunoglobulins, growth factors, and antimicrobial compounds that supports gut health, immunity, and recovery.
May enhance exercise performance and reduce upper respiratory infections
Southeast Asian herb with evidence for supporting healthy testosterone levels, energy, and stress resilience.
Hormonal optimization may support exercise capacity
Select up to 3 goals and get weighted recommendations tailored to your priorities.
Select This Goal + Pick MoreThis information is for educational purposes only and is not intended as medical advice. Always consult a qualified healthcare provider before starting any supplement.