The most commonly cited red flags include: COAs from the vendor's own internal lab only, no mass spectrometry confirmation, vague or missing batch numbers, aggressive health claims on product pages, no published returns or contamination policy, and suspiciously low pricing that cannot support quality synthesis and independent testing costs
Note: Any adverse reactions should be reported via the Yellow Card scheme
Arginine salt (arginate) form shows dramatically improved oral bioavailability (over 90% versus about 3% for acetate) due to enhanced gastric stability
Scientific reports , 10 (1), 17078
A young athlete, just 24 years old, sat in my exam room, frustrated
Fairly low side effects generally only lasting the day after injection