It is important to note that if your body is well-nourished and not deficient in vitamin B12, adding a supplement will not improve the health of your skin, hair, or nails
In experimental settings, it is investigated for its relationship to NAD + availability, mitochondrial activity, and energy utilization , particularly in models focused on adiposity, metabolic stress, and cellular function
Research applications focus on receptor activity, peptide stability, and the behaviour of combined peptide systems under controlled experimental conditions
That said, its also not uncommon for those who eat meat not to absorb it very well
Pros: Simple math, potent concentration
What is the bioavailability difference between injectable and oral peptides