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Amino Acid supplements
Profiles in the Amino Acid category on Supplement Engine. Use them to learn about common forms, typical dosing context, and evidence tags — then discuss any changes with a qualified healthcare professional.
5-HTP
Serotonin precursor sometimes used to support sleep and mood regulation.
Acetyl-L-Carnitine (ALCAR)
Carnitine form studied for mitochondrial support and mental energy.
Beta-Alanine
Performance-focused amino acid that can support high-intensity training capacity.
Collagen Peptides
Hydrolyzed collagen supporting skin, joint, and connective tissue health.
Creatine Monohydrate
One of the most researched supplements for strength and cognitive benefits.
GABA
A calming neurotransmitter supplement commonly used to support relaxation and sleep.
Glutamine
Amino acid often used to support gut lining and recovery in hard-training phases.
Glycine
Simple amino acid that may improve sleep quality and collagen production.
L-Citrulline
Amino acid used to support blood flow and exercise performance.
L-Theanine
Amino acid from tea that promotes calm focus without drowsiness.
Taurine
Amino acid supporting cardiovascular function and exercise performance.