4 Matching Annotations
  1. May 2020
  2. Nov 2018
    1. The nutritional supplement ingestion for 3 weeks was found to increase serum GH levels with 70% relatively to placebo, whereas circulating IGF-I levels did not change.

      Niacin does not appear to elevate IGF-1.

  3. Oct 2017
    1. basal testosterone (1.95 ng/ml)

      i.e. 195 ng/dl, or 6.8 nmol/l. This is not extraordinary, as it is roughly the 2.5th percentile of normal testosterone for most ages.

    2. It is concluded that the severe cholesterol deficiency of this patient did not impair the capacity of the testes to synthesize testosterone. However, the LH/hCG receptor or its subsequent message was activated neither in vivo nor in vitro.

      This supports other evidence, such as the fact that vegans, despite their lower cholesterol, have higher total testosterone.