Arginine and Lysine: study protocols

5 study groups took Arginine together with Lysine. These are the doses the studies gave. They are not a recommendation.

Dose per serving from research: Arginine

5 study groups in 4 studies say how much Arginine participants took a day.

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

Most common: 2.5 g to 5 g, 60% of 5 study groups.

Daily dose	Study groups
1 g to 2.5 g	2
2.5 g to 5 g	3

5 study groups in 4 studies say how much Lysine participants took a day.

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

Most common: 1 g to 2.5 g, 60% of 5 study groups.

Daily dose	Study groups
1 g to 2.5 g	3
2.5 g to 5 g	2

1 of 5 study groups took Arginine and Lysine with something else, but nothing that 3 or more different studies gave.

5 study groups

Study
Effect of beta-hydroxy-beta-methylbutyrate, arginine, and lysine supplementation on strength, functionality, body composition, and protein metabolism in elderly women 2004 · experimental treatment group · Elderly women, mean age 76.7 years	5 g	1.5 g	12 weeks	27
Oral treatment with L-lysine and L-arginine reduces anxiety and basal cortisol levels in healthy humans 2007 · L-lysine and L-arginine treatment · Healthy Japanese adults; age and sex distribution not stated	2.64 g	2.64 g	7 days	—
Acute effect of amino acid ingestion and resistance exercise on plasma growth hormone concentration in young men 1997 · Trial B · young men	1.5 g	1.5 g	1 day	16
Acute effect of amino acid ingestion and resistance exercise on plasma growth hormone concentration in young men 1997 · Trial C · young men	1.5 g	1.5 g	1 day	16
Subchronic treatment with amino acid mixture of L-lysine and L-arginine modifies neuroendocrine activation during psychosocial stress in subjects with high trait anxiety 2005 · L-lysine and L-arginine mixture · Healthy subjects at the upper limit of the normal range of a trait anxiety scale	3 g	3 g	10 days	—