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Branched-Chain Amino Acids: study protocols

12 study groups say how much Branched-Chain Amino Acids participants took a day. These are the doses the studies gave. They are not a recommendation.

Branched-Chain Amino Acids: what the research found →

Dose per serving from products

298 products in our catalogue print how much Branched-Chain Amino Acids a serving holds.

Most common: 1 g to 2.5 g, 32% of 298 products.

Dose per servingProducts
100 mg or less
12
100 mg to 250 mg
15
250 mg to 500 mg
8
500 mg to 1 g
40
1 g to 2.5 g
96
2.5 g to 5 g
83
5 g to 10 g
37
over 10 g
7

Dose per serving from research

7 study groups in 1 study say how much Branched-Chain Amino Acids participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 10 mg/kg to 25 mg/kg, 43% of 7 study groups.

Daily doseStudy groups
5 mg/kg or less
1
5 mg/kg to 10 mg/kg
1
10 mg/kg to 25 mg/kg
3
25 mg/kg to 50 mg/kg
2

Commonly used together

11 of 12 study groups took Branched-Chain Amino Acids with something else, but nothing that 3 or more different studies gave.

12 study groups

Study
Effects of oral branched-chain amino acid granules on event-free survival in patients with liver cirrhosis
2005 · BCAA group · Patients with decompensated cirrhosis; age and sex not reported
12 g2 years—
Effects of branched chain amino acids, l-citrulline, and alpha-glycerylphosphorylcholine supplementation on exercise performance in trained cyclists: a randomized crossover trial
2023 · supplement · Men aged 30–60 who were trained cyclists with at least 5 years of consistent cycling training
8 g7 days30
The daily valine requirement of healthy adult Indians determined by the 24-h indicator amino acid balance approach
2005 · valine intake 5 mg x kg(-1) x d(-1) · healthy, well-nourished Indian men
5 mg/kg7 days—
The daily valine requirement of healthy adult Indians determined by the 24-h indicator amino acid balance approach
2005 · valine intake 10 mg x kg(-1) x d(-1) · healthy, well-nourished Indian men
10 mg/kg7 days—
The daily valine requirement of healthy adult Indians determined by the 24-h indicator amino acid balance approach
2005 · valine intake 15 mg x kg(-1) x d(-1) · healthy, well-nourished Indian men
15 mg/kg7 days—
The daily valine requirement of healthy adult Indians determined by the 24-h indicator amino acid balance approach
2005 · valine intake 20 mg x kg(-1) x d(-1) · healthy, well-nourished Indian men
20 mg/kg7 days—
The daily valine requirement of healthy adult Indians determined by the 24-h indicator amino acid balance approach
2005 · valine intake 25 mg x kg(-1) x d(-1) · healthy, well-nourished Indian men
25 mg/kg7 days—
The daily valine requirement of healthy adult Indians determined by the 24-h indicator amino acid balance approach
2005 · valine intake 30 mg x kg(-1) x d(-1) · healthy, well-nourished Indian men
30 mg/kg7 days—
The daily valine requirement of healthy adult Indians determined by the 24-h indicator amino acid balance approach
2005 · valine intake 35 mg x kg(-1) x d(-1) · healthy, well-nourished Indian men
35 mg/kg7 days—
Dileucine-supplemented essential amino acids support whole-body anabolism after resistance exercise and serum-stimulated cell-based anabolism
2025 · Branched-chain amino acid (BCAA) supplement · Healthy recreationally active adults, 27.0 ± 4.7 years old; 8 men and 4 women
1.5 g1 day12