But, a doctor should decide the best one for you
Ogunrinu TA, Sontheimer H (2010)
Patients were instructed to use high dose vitamin B12 nasal drops (5,000 mcg one nasal drop in each nostril, twice per week)
Purity quantified via High-Performance Liquid Chromatography (HPLC) and identity confirmed by Liquid Chromatography-Mass Spectrometry (LC-MS)
These compounds are widely discussed in medical literature for roles related to cellular repair signaling, angiogenesis (formation of new small blood vessels), collagen and extracellular matrix remodeling, and support of normal inflammatory responses
[...] Category: Other Peptides Related Products 4.90 out of 5 NAD+ Peptide NAD+ (Nicotinamide Adenine Dinucleotide) is an essential coenzyme involved in cellular energy production, mitochondrial function, and metabolic research