• Amino Acid Profiles
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A practical reference for amino acids, amino-acid derivatives and related compounds. Search by name, abbreviation, role or pathway, then open the profile, product collection or safety library when needed.

AminoIndex Finder

Find the Right Amino Acid Starting Point

Search amino acids and related compounds by role, abbreviation or support pathway. Each result gives a short customer-friendly summary with direct links to the profile page, relevant product collection and safety library.

Search by amino acid, abbreviation or pathway Open the dedicated profile page Move to product collections when relevant Check safety notes before choosing

Looking for Glycine, Glutamine, Lysine, Creatine, Taurine, NAC or L-Theanine?

Trying to compare amino acids by muscle, recovery, sleep, mood, gut, antioxidant or methylation support?

Use the finder first, then choose whether to read, browse products or check safety.

Filters are curated by primary support pathway. Product buttons link to collection pages, while profile and safety links provide education before choosing.
Category: Non-essential amino acid

Energy production and immune support.

General range

Varies by dietary intake.

Common forms

Usually obtained from dietary protein; rarely used alone as a standalone supplement.

Safety snapshot

Generally food-based. Use caution with high-dose single amino acids if managing kidney or liver conditions.

Category: Conditional amino acid

Supports wound healing, detoxification and immune function.

General range

4–6 g

Common forms

L-arginine capsules, powders, sports formulas and cardiovascular-support formulas.

Safety snapshot

Check first with blood pressure medicines, nitrates, herpes outbreaks, kidney disease, surgery or pregnancy.

Category: Non-essential amino acid

Aids amino acid synthesis and nervous system function.

General range

Varies by dietary intake.

Common forms

Usually obtained through dietary protein; not commonly used as a standalone supplement.

Safety snapshot

Usually considered in food/protein context rather than targeted supplementation.

Category: Non-essential amino acid

Supports hormone production and metabolism.

General range

Varies by dietary intake.

Common forms

Dietary protein sources; D-aspartic acid appears in selected hormone/testosterone-style formulas.

Safety snapshot

Use caution with hormone-sensitive conditions, fertility treatment or complex endocrine concerns.

Category: Conditional amino acid

Supports antioxidant production and healthy skin.

General range

1–1.5 g

Common forms

Cysteine, cysteine-rich protein foods and related NAC/glutathione pathways.

Safety snapshot

Check first with respiratory medicines, blood thinners, pregnancy, kidney stones or sulfur sensitivity.

Category: Conditional amino acid

Fuels immune cells and supports gut health.

General range

5 g

Common forms

L-glutamine powder, capsules, gut-support formulas and recovery formulas.

Safety snapshot

Check first with liver disease, kidney disease, cancer care, pregnancy or complex medical conditions.

Category: Non-essential amino acid

Supports cognitive function and neurotransmission.

General range

Varies by dietary intake.

Common forms

Dietary protein sources; not commonly used alone compared with glutamine or related compounds.

Safety snapshot

Use caution with neurological conditions or sensitivity to excitatory compounds.

Category: Non-essential amino acid

Supports sleep, collagen production and skin health.

General range

3–5 g

Common forms

Glycine powder, capsules, collagen-support formulas and sleep blends.

Safety snapshot

Use caution with sedatives, pregnancy, low blood pressure or complex neurological conditions.

Category: Essential amino acid

Essential for tissue repair and blood cell production.

General range

10–30 mg/kg body weight

Common forms

Dietary protein, essential amino acid blends and selected single-amino formulas.

Safety snapshot

Check first with histamine intolerance, allergies, pregnancy or complex immune conditions.

Category: Essential amino acid

Involved in muscle metabolism and haemoglobin production.

General range

19 mg/kg body weight

Common forms

BCAA powders, essential amino acid blends, protein powders and sports nutrition formulas.

Safety snapshot

Check with kidney or liver conditions, pregnancy, diabetes medicines or strict medical diets.

Category: Essential amino acid

Supports muscle synthesis, repair and glucose regulation.

General range

42 mg/kg body weight

Common forms

BCAA powders, EAA blends, protein powders and muscle-recovery formulas.

Safety snapshot

Check with kidney or liver conditions, pregnancy, diabetes medicines or strict medical diets.

Category: Essential amino acid

Supports protein synthesis and calcium absorption.

General range

30–40 mg/kg body weight

Common forms

L-lysine tablets, capsules, powders and immune/skin-support formulas.

Safety snapshot

Check first with kidney disease, pregnancy, calcium-related therapy or high-dose long-term use.

Category: Essential amino acid

Supports metabolism, detoxification and tissue growth.

General range

19 mg/kg body weight

Common forms

Dietary protein, amino acid blends and selected liver/methylation formulas.

Safety snapshot

Use caution with high homocysteine, cardiovascular risk, pregnancy, liver/kidney conditions or methylation therapies.

Category: Essential amino acid

Precursor to neurotransmitters involved in mood regulation.

General range

33 mg/kg body weight

Common forms

L-phenylalanine, DLPA and selected mood/focus formulas.

Safety snapshot

Avoid with PKU. Check first with antidepressants, stimulant medicines, blood pressure issues, pregnancy or anxiety.

Category: Non-essential amino acid

Supports collagen production and wound healing.

General range

Varies by dietary intake.

Common forms

Dietary protein, collagen peptides and connective tissue formulas.

Safety snapshot

Generally food/collagen based; check high-dose use with kidney or liver concerns.

Category: Non-essential amino acid

Supports cell membrane integrity and immune function.

General range

Varies by dietary intake.

Common forms

L-serine and phospholipid/cognitive-support formulas.

Safety snapshot

Check first with neurological conditions, pregnancy, kidney disease or complex supplement stacks.

Category: Essential amino acid

Supports protein balance and gut health.

General range

15 mg/kg body weight

Common forms

EAA blends, protein powders and selected gut-support formulas.

Safety snapshot

Check with kidney or liver conditions, pregnancy or medical protein restrictions.

Category: Essential amino acid

Precursor to serotonin and supports mood and sleep pathways.

General range

4–6 mg/kg body weight

Common forms

L-tryptophan capsules, tablets and sleep/mood formulas.

Safety snapshot

Important caution with antidepressants, serotonergic medicines, sedatives, pregnancy and bipolar disorder.

Category: Conditional amino acid

Supports hormone production and stress response pathways.

General range

45–65 mg/kg body weight

Common forms

L-tyrosine capsules, powders and focus/stress formulas.

Safety snapshot

Check first with thyroid medicines, stimulants, MAOIs, blood pressure concerns, pregnancy or anxiety.

Category: Essential amino acid

Supports muscle growth and energy production.

General range

24 mg/kg body weight

Common forms

BCAA powders, EAA blends, protein powders and sports nutrition formulas.

Safety snapshot

Check with kidney or liver conditions, pregnancy, diabetes medicines or strict medical diets.

Category: Amino-acid-related compound

Supports energy production, fat metabolism and neuroprotective pathways.

General range

500–2,500 mg/day

Common forms

Acetyl L-carnitine capsules, tablets and mitochondrial/brain-support formulas.

Safety snapshot

Check first with thyroid medicines, seizure history, blood thinners, pregnancy or bipolar disorder.

Category: Amino-acid-derived compound

Supports muscle energy production and high-intensity exercise performance.

General range

3–5 g/day

Common forms

Creatine monohydrate powder, capsules and sports performance formulas.

Safety snapshot

Check first with kidney disease, pregnancy, dehydration risk or medical fluid restrictions.

Category: Dipeptide / related compound

Acts as an antioxidant and supports muscle endurance and performance.

General range

500–2,000 mg/day

Common forms

Carnosine capsules and performance/healthy-ageing formulas; beta-alanine may support carnosine levels.

Safety snapshot

Check high-dose use with kidney disease, pregnancy or complex medical conditions.

Category: Cysteine derivative

Precursor to glutathione and supports antioxidant, detoxification and respiratory pathways.

General range

600–1,800 mg/day

Common forms

NAC capsules, tablets, powders and respiratory/glutathione-support formulas.

Safety snapshot

Check first with blood thinners, nitroglycerin, asthma medicines, surgery, pregnancy or sulfur sensitivity.

Category: Amino-acid-like compound

Supports cardiovascular function, nervous system development and bile salt formation.

General range

500–3,000 mg/day

Common forms

Taurine capsules, powders, electrolyte formulas and cardiovascular-support formulas.

Safety snapshot

Check first with blood pressure medicines, lithium, kidney disease, pregnancy or multiple heart medicines.

Category: Amino-acid derivative

Supports muscle endurance and helps buffer exercise-related fatigue.

General range

2–5 g/day

Common forms

Beta-alanine powders, capsules and sports performance formulas.

Safety snapshot

May cause harmless tingling. Check pregnancy, neurological conditions or high-dose stacked pre-workouts.

Category: Amino acid derivative

Supports calm, focus and relaxation without sedation.

General range

100–400 mg/day

Common forms

L-theanine capsules, tablets, powders and calm/focus formulas.

Safety snapshot

Use caution with sedatives, blood pressure medicines, alcohol, pregnancy or excessive calming stacks.

Category: Supplement form of arginine

Supports nitric oxide production, blood flow and cardiovascular pathways.

General range

3–6 g/day

Common forms

L-arginine capsules, powders and nitric-oxide/sports formulas.

Safety snapshot

Check first with nitrates, blood pressure medicines, herpes outbreaks, kidney disease, surgery or pregnancy.

Category: Amino acid / arginine pathway compound

Supports blood flow, sports performance and cardiovascular pathways.

General range

1–10 g/day

Common forms

L-citrulline, citrulline malate powders and sports/circulation formulas.

Safety snapshot

Check first with blood pressure medicines, nitrates, heart medicines, surgery or pregnancy.

Category: Supplement form of glutamine

Supports gut health and immune function, especially during stress or intense exercise.

General range

5–10 g/day

Common forms

L-glutamine powder, capsules and gut/recovery formulas.

Safety snapshot

Check first with liver disease, kidney disease, cancer care, pregnancy or complex medical conditions.

No matching amino acid or related compound was found. Try a broader term such as “muscle”, “sleep”, “gut”, “antioxidant”, “glycine”, “creatine” or “NAC”.

This guide is for general education only and is not medical advice. Amino acids and related compounds may interact with medicines and may not suit pregnancy, breastfeeding, surgery, diagnosed conditions, kidney or liver concerns, or complex health situations. Always read product labels and seek qualified healthcare advice where needed.