The 2025 IV pilot measured cardiac, hepatic, renal, thyroid, and glucose biomarkers and reported no abnormalities (Lee et al., 2025), which gives a sense of what those investigators considered worth checking
never freeze or in a cool dry place (25-30C / 77-86F)
Enzymes in the NAD+ salvage pathway regulate SIRT1 activity at target gene promoters
B12 injections are a common way to supplement vitamin B12 levels in the body
According to the Centers for Disease Control and Prevention, many Americans have at least one micronutrient deficiency due to factors such as poor diet, age-related hormonal changes, and impaired nutrient absorption related to digestive disorders---yet many remain undiagnosed
However, keeping track of your symptoms can help you and your healthcare provider determine whether your response requires further investigation