These amounts are considered safe because the human body, as a general matter, can safely store from 1,000 to 2,000 times the RDA, without negative consequence (anything more will generally be excreted in urine, per NCBI Bookshelf)
Many people don't "feel" it working but notice they wake more refreshed after consistent use
The Use of GLP-1 Agonists in the Management of Cutaneous Disease
In experiment 2, the carnitine group experienced a steady increase in TAC values at each time interval when compared with the control group, which experienced a significant decrease in TAC at the post-24 h time interval
The peptide stacks guide covers stacking principles in depth, and the peptide stack calculator helps determine doses when combining compounds