Health support evidence brief
May support upper-respiratory symptom or exercise-associated gut-permeability outcomes, but performance and muscle-gain claims remain limited.
URS meta-analysis: colostrum reduced symptom-day incidence rate ratio to 0.56 (95% CI 0.43-0.72).
Trials use product-specific powders and varied multi-week protocols; dairy allergy and sourcing quality matter.
Evidence fits immune/gut contexts rather than IGF-1, anabolic, or direct performance-enhancement claims.
Source Drawer
The score reflects evidence that the supplement does its stated job. Some jobs are direct, such as strength, endurance, or recovery; others are indirect, such as sleep, mood, appetite, or health support. A real effect can still receive a cautious practical rating when dose, safety, product quality, or audience fit remain uncertain.
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