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All L-Methionine study protocols

L-Methionine and Essential Amino Acids: study protocols

9 study groups took L-Methionine together with Essential Amino Acids. These are the doses the studies gave. They are not a recommendation.

L-Methionine: what the research found →

Dose per serving from research: L-Methionine

5 study groups in 1 study say how much L-Methionine 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, 40% of 5 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
2
25 mg/kg to 50 mg/kg
1

Dose per serving from research: Essential Amino Acids

5 study groups in 1 study say how much Essential Amino Acids participants took a day.

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

Most common: 1,000 mg/kg to 2,500 mg/kg, 100% of 5 study groups.

Daily doseStudy groups
1,000 mg/kg to 2,500 mg/kg
5

Commonly used together

4 of 9 study groups took L-Methionine and Essential Amino Acids with something else, but nothing that 3 or more different studies gave.

9 study groups

Study
Effect of L-methionine on hot flashes in postmenopausal women: a randomized controlled trial
2009 · L-methionine in Phase 2 · Postmenopausal women experiencing at least five moderate-to-severe hot flashes per day
4 g1 mg8 weeks38
Effect of L-methionine on hot flashes in postmenopausal women: a randomized controlled trial
2009 · L-methionine in Phase 1 · Postmenopausal women experiencing at least five moderate-to-severe hot flashes per day
2 g1 mg12 weeks25
A short-term intervention of ingesting iron along with methionine and threonine leads to a higher hemoglobin level than that with iron alone in young healthy women: a randomized, double-blind, parallel-group, comparative study
2023 · FEMT group · Healthy women aged 20–39 years, without a stated diagnosis of iron deficiency anemia
200 mg400 mg6 weeks15
Combining Dietary Sulfur Amino Acid Restriction with Polyunsaturated Fatty Acid Intake in Humans: A Randomized Controlled Pilot Trial
2018 · Cys/Methigh + SFA · Healthy normal-weight men and women aged 20–40 years
1.6 g100 g7 days7
Total sulfur amino acid requirement of healthy school-age children as determined by indicator amino acid oxidation technique
2006 · 5 mg·kg⁻¹·d⁻¹ methionine intake · Healthy school-age children
5 mg/kg1,500 mg/kg—6
Total sulfur amino acid requirement of healthy school-age children as determined by indicator amino acid oxidation technique
2006 · 10 mg·kg⁻¹·d⁻¹ methionine intake · Healthy school-age children
10 mg/kg1,500 mg/kg—6
Total sulfur amino acid requirement of healthy school-age children as determined by indicator amino acid oxidation technique
2006 · 15 mg·kg⁻¹·d⁻¹ methionine intake · Healthy school-age children
15 mg/kg1,500 mg/kg—6
Total sulfur amino acid requirement of healthy school-age children as determined by indicator amino acid oxidation technique
2006 · 25 mg·kg⁻¹·d⁻¹ methionine intake · Healthy school-age children
25 mg/kg1,500 mg/kg—6
Total sulfur amino acid requirement of healthy school-age children as determined by indicator amino acid oxidation technique
2006 · 35 mg·kg⁻¹·d⁻¹ methionine intake · Healthy school-age children
35 mg/kg1,500 mg/kg—6
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