The Claim

Acute ingestion of HMB is associated with downregulation of the core circadian rhythm genes PER2, PER3, NR1D1, and NR1D2, and upregulation of NFIL3 in human skeletal muscle.

Source: The Influence of Acute Beta-Hydroxy Beta-Methylbutyrate (HMB) Ingestion on the Human Skeletal Muscle Transcriptome

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
44score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Correlation
1 study reviewed
In plain English

Taking HMB shortly before or after exercise is linked to changes in the activity of certain genes in muscle tissue that help regulate the body's daily biological rhythms.

See the scientific wording

Acute HMB ingestion is associated with downregulation of core circadian rhythm genes (PER2, PER3, NR1D1, NR1D2) and upregulation of NFIL3 in human skeletal muscle, suggesting a potential interaction between HMB and the muscle molecular clock that may influence anabolic timing.

What the research says

1 study

  1. Study: The Influence of Acute Beta-Hydroxy Beta-Methylbutyrate (HMB) Ingestion on the Human Skeletal Muscle Transcriptome

    This study found that taking HMB (a supplement related to protein) changed the activity of key body clock genes in muscle, exactly as the claim says. It’s like HMB tells those genes to slow down or speed up in a way that might help timing muscle growth.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

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