The Claim

Coenzyme Q10 supplementation at 100 mg/day for eight weeks has no statistically significant effect on serum alanine aminotransferase (ALT) or aspartate aminotransferase (AST) levels in healthy older adults undergoing high-intensity interval training.

Source: Impact of CoQ10 supplementation on metabolic adaptations to HIIT in older adults: focus on glycemic control, insulin resistance, lipid profile, and liver enzyme

What the research says

Supports is higher

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

Supports
53score
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.

Quantitative
1 study reviewed
In plain English

Taking 100 mg of Coenzyme Q10 daily for eight weeks does not change the levels of ALT or AST liver enzymes in healthy older adults who do high-intensity interval training.

See the scientific wording

Coenzyme Q10 supplementation at 100 mg/day for eight weeks does not significantly alter liver enzyme levels (ALT or AST) in healthy older adults undergoing high-intensity interval training.

Why this might work

CoQ10 helps cells produce energy more efficiently and reduces damage from harmful byproducts, which improves how the body handles fats and sugar, but it does not change how the liver releases enzymes into the blood.

Supported mechanismbased on 1 study

What the research says

1 study
  1. Study: Impact of CoQ10 supplementation on metabolic adaptations to HIIT in older adults: focus on glycemic control, insulin resistance, lipid profile, and liver enzyme

    Taking 100 mg of CoQ10 every day for eight weeks while doing intense exercise didn’t change liver enzyme levels in older adults — just like the claim says. Their livers stayed healthy and unchanged, even though other things like cholesterol and insulin got better.

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

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.