The options may be chosen on the product page Quick View Out of stock + This product has multiple variants
The serum, marketed as Syntha-Pep, arrives in a 5-milliliter ampoule that connects directly to the needle head in a sealed architecture: the serum never touches open air, fingertips, or an intermediate chamber between manufacturing and skin
doi: 10.1111/ANDR.13468 11
While that's substantially higher than the 600mg starting dose we generally favor for people new to NAC, it reflects the GlyNAC protocols studied in healthy-aging research.34 57 58 Some readers may prefer to start with a smaller serving for tolerability, but the clinical research on GlyNAC has generally evaluated gram-level doses of both ingredients, so it's unclear whether substantially lower amounts would provide the same benefits
Glutamine modulates sepsis-induced changes to intestinal intraepithelial gammadeltat lymphocyte expression in mice
Under no circumstances are these products approved or intended for human or veterinary consumption, direct clinical diagnostics, or therapeutic drug administration