Research
Hormonal
The age-related decline in plasma IGF-I can be mitigated by high intakes of protein and minerals, resulting in IGF-I levels in older men comparable to those in younger men with lower intakes.
As you age, maintaining high protein and mineral intake is crucial for preserving IGF-I levels. This may help counteract the natural age-related decline in growth hormone and IGF-I, potentially supporting muscle mass and metabolic health.
GoodQualifiesHIGH confidence
As seen in Fig. 2, in the oldest group of men with high protein and mineral intakes, the median and interquartile range of circulating IGF-I was similar to that of men 10 years younger with intermediate intakes of these, and to that of men 20 years younger with relatively low intakes.
Why this rating
Observational data from a large cohort with biomarker validation.
Source
Nutritional predictors of insulin-like growth factor I and their relationships to cancer in men.
Edward L. Giovannucci et al. · PubMed · 2003
cross_sectional · n=753Cited 271×
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