L-Glutamine

Also known as: Glutamine

Confidence

research strength

BBuilding confidence7055 studies referenced

Latest evidence update: 2026-06-11

Strongest in Replication (81). Held back by Recency (21).

Study quality (37%)

Study design (21%)

Risk of bias (16%)

Solid mix of RCTs with some methodological gaps.

Replication (26%)

Cross-study replication (21%)

Precision (5%)

Confirmed across many independent studies with significant findings.

Sample size (16%)

Tens of thousands of participants pooled across studies.

Consistency (11%)

Mostly aligned, with some divergence.

Recency (10%)

Mostly pre-2020 research; updates may be needed.

Effect by outcome

how big the change is

Effect-size tagged on 392 of 400 claims for this supplement. Our research updates daily; remaining claims are pending re-processing.

Directional evidence

Areas where research points to a consistent direction of effect. The strength of evidence is graded; the size of the effect is not quantified.

Common dosage

Varies by form and individual needs

Description

L-Glutamine is a amino_acid supplement commonly used for health support.

Safety & interactions

Consult a healthcare professional before use, especially if taking medications.

Check interactions with other supplements→

What the research shows

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Order L-Glutamine

Recommended: Varies by form and individual needs

Questions about L-Glutamine

Who has been studied for L-Glutamine?

Who should avoid L-Glutamine based on the safety notes?

What dose did studies use for L-Glutamine, and when was it taken?

Referenced studies (55)

ProtocolEngine provides general health information based on published research. This is not medical advice. Consult a healthcare professional before starting any supplement or health protocol.