So your animal products are always going to be the best way to go off the bat just because of how high they are and how nutrient dense they are
Older adults are also at a higher risk of B12 deficiency due to decreased stomach acid levels, which are needed to separate B12 from protein in the diet for absorption
59,70,103,104 In contrast, treatment with NAD + precursors, as well as other forms of energy consumption, such as through exercise, caloric restriction, fasting, and low glucose availability, can counteract aging effects by upregulating NAMPT, which can reconstitute NAD + levels and promote sirtuin activation
22 Cassiano DP, Espsito ACC, da Silva CN, et al
I guess I was less bright or glowing without taking Glutathione
IMPORTANT SAFETY INFORMATION Pentadeca Arginate is not approved by the FDA for any medical use