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Evidence-Based Supplement Research

Evidence-Based Supplement Research

Casein Protein and Increased Insulin-Like Growth Factor I Level

Doses used in studies

g/day: 40 (median 40, IQR 40–40) — 1 study

Time to effect

Median: 3 months · IQR 3 months–3 months · Range 3 months–3 months — Reported in 1 of 1 study

1 of 1 paper

Is soy protein effective in reducing cholesterol and improving bone health?
- 2020
- RCT
- Food & function 11(1)
- - Kelli S George
  - Joseph Muñoz
  - Neda S Akhavan
  - Elizabeth M Foley
  - Shalom C Siebert
  - Gershon Tenenbaum
  - Dania A Khalil
  - Sheau C Chai
  - Bahram H Arjmandi
- PubMed: 31848551
- DOI: 10.1039/c9fo01081e
8 Insights on
- Increased Insulin-Like Growth Factor I Level
- High evidence
- Rigorous Journal
- Mixed
significantly increased serum insulin-like growth factor-I (IGF-1) (P < 0.001), yet soy increased IGF-1 to a greater extent (P = 0.01) than casein
Effect
Beneficial
Effect size
Small
Significant
Yes
Dose
40 g/day