Amino Acids
Essential, conditionally essential, and performance-relevant amino acids used in sports nutrition, recovery, cognition, and metabolic health.
Category draft
This category page now provides a fuller navigation and review framework. It remains noindex until category-level evidence summaries and clinical review are complete.
How to use this category
- Start with individual ingredient pages for form, dose, and safety context.
- Check whether the ingredient is a formal reviewed page or an interim draft.
- Use category pages for navigation, not personal medical decisions.
Editorial review priorities
| Evidence | Human outcomes, dose/form specificity, and uncertainty. |
|---|---|
| Safety | Upper limits, interactions, and special populations. |
| Quality | Testing, adulteration, contaminants, and label transparency. |
Ingredients in this category
L-Arginine
Circulation & ED
Nitric Oxide BoostersL-Citrulline
Pump & endurance
ConditionalL-Carnitine
Fat oxidation & cognition
ConditionalL-Glutamine
Gut & recovery
EssentialL-Lysine
Immune & cold sores
Non-ProteinogenicL-Theanine
Calm focus & sleep
EssentialL-Tryptophan
Sleep & mood precursor
ConditionalL-Tyrosine
Focus & stress
Non-EssentialGlycine
Sleep & collagen
ConditionalTaurine
Cardiovascular & energy
Non-ProteinogenicGABA
Calm & sleep
Tryptophan Metabolite5-HTP
Mood & sleep
EssentialDL-Phenylalanine
Mood & pain
EssentialBCAA
Muscle protein synthesis
EssentialEAA
Muscle building
EssentialLeucine
Muscle protein synthesis
Leucine MetaboliteHMB
Muscle preservation
Non-ProteinogenicBeta-Alanine
Endurance & buffering
PerformanceCreatine
Strength power & cognition
TripeptideGlutathione
Antioxidant & detox
Cysteine DerivativeNAC
Glutathione precursor & lung
DipeptideCarnosine
Antioxidant & glycation
Methyl DonorSAMe
Mood & joint
Methyl DonorTMG
Methylation & performance
PerformanceCarnitine Tartrate
Recovery & androgen
HyperhydrationGlycerol
Pump & hydration
PumpCitrulline Malate
Pump & endurance
PumpAgmatine
Pump & nitric oxide
Methyl DonorBetaine Anhydrous
Power & methylation
BufferSodium Bicarbonate
Endurance buffering
KetonesBeta-Hydroxybutyrate
Energy & ketosis
LiquidCarnitine Liquid
Energy
Methyl DonorSAMe Disulfate Tosylate
Mood & joint
EnergyATP
Power & strength
EnergyRibose
Heart & energy
Disclaimer: This draft page is for orientation only and has not yet gone through the full dietarysupplement.ai editorial and medical-review workflow. It is not medical advice. Always consult a qualified healthcare provider before starting, stopping, or combining supplements. These statements have not been evaluated by the Food and Drug Administration.