In the pancreas, GLP-1RAs are well known to promote insulin secretion
Here is a look into some of the supplements available and how they can boost your sperm: Zinc
However, only very small amounts are needed and, although theres limited evidence to suggest what effects high doses may have, you should avoid taking too much as this may be harmful
blood tests can measure levels of carnitine in the serum, while urine tests may show elevated levels of free carnitine or its metabolites
To understand what a preconception formula contains and how the nutrients fit together, see our guide to fertility supplements for women and our male fertility hub, or the overview in The Complete Guide to Fertility Supplements
The epitalon dosage guide provides detailed protocol information