Single amino acids

130 products

Individual amino acids sold on their own: tyrosine, taurine, lysine, theanine and more. 130 products, with NOW Foods and Swanson carrying the largest ranges.

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Swanson
N-Acetyl Cysteine, 600mg - 100 caps
€20.90

At your door in 2–4 business days with UPS
NOW Foods
L-Arginine, 500mg - 100 caps
€13.90

At your door in 2–4 business days with UPS
Swanson
Suntheanine L-Theanine, 200mg - 60 vcaps
€33.90

At your door in 2–4 business days with UPS
Nutrend
Taurine - 120 caps
€13.90

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Allnutrition
L-Theanine - 100 caps
€18.95

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Doctor's Best
L-Citrulline Powder - 200g
€32.90
€164.50 / kg
At your door in 2–4 business days with UPS
Allnutrition
Citrulline, Exotic - 200g
€11.90
€59.50 / kg
At your door in 2–4 business days with UPS
Allnutrition
Citrulline, Cola-Lemon - 200g
€11.90
€59.50 / kg
At your door in 2–4 business days with UPS
Nutrend
Citrulline Malate, Orange & Mango - 300g
€20.90
€69.67 / kg
At your door in 2–4 business days with UPS
Life Extension
Glycine, 1000mg - 100 vcaps
€21.90

At your door in 2–4 business days with UPS
Allnutrition
Citrulline, Apple - 200g
€11.90
€59.50 / kg
At your door in 2–4 business days with UPS
Applied Nutrition
L-Citrulline, 1500mg - 120 caps
€19.95

At your door in 2–4 business days with UPS
NOW Foods
L-Tyrosine, Extra Strength 750mg - 90 vcaps
€18.95

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Doctor's Best
L-Theanine AlphaWave - 60 vcaps
€25.95

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Rule One
Citrulline, Unflavored - 198g
€23.90
€120.71 / kg
At your door in 2–4 business days with UPS
Applied Nutrition
Beta-Alanine, 1500mg - 120 caps
€21.90

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Jarrow Formulas
Theanine, 200mg - 60 vcaps
€32.90

At your door in 2–4 business days with UPS
NOW Foods
L-Phenylalanine, 500mg - 120 vcaps
€18.95

At your door in 2–4 business days with UPS
OstroVit
A-AKG, Orange - 200g
€13.90
€69.50 / kg
At your door in 2–4 business days with UPS
5% Nutrition
L-Citrulline 3000 - Core Series - 234g
€26.95
€115.17 / kg
At your door in 2–4 business days with UPS
Osavi
Glycine, 1000mg - 60 vegan caps
€12.90

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Skill Nutrition
L-Methionine, 500mg - 120 vegan caps
€14.95

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Doctor's Best
Pure L-Arginine Powder - 300g
€28.95
€96.50 / kg
At your door in 2–4 business days with UPS
Swanson
Lysine, 500mg Free-Form - 100 caps
€10.90

At your door in 2–4 business days with UPS

This shelf gathers amino acids sold pure, one at a time, rather than in blends. It is sorted by amino acid. THE L AND D FORMS. Almost everything here is the L form, the one found in food. If the name carries D- or DL- it is a different substance and is always stated explicitly, for example DL-phenylalanine. FREE FORM OR BOUND. "Free form" on the label means the amino acid is not bound to others in a peptide chain. That is standard on this shelf. POWDER OR CAPSULES. Powder is cheapest per gram and can be weighed. Several of these amino acids are bitter in pure form, which is why capsules sell well despite the price. DOSES vary widely between substances. The figure is on the front and in the nutrition table. DOSAGE is stated on each pack and should be followed. THE BRANDS. NOW Foods carries the most individual amino acids, Swanson the best value, Applied Nutrition the sports versions.