Zinc supplementation is often recommended to maintain a healthy immune system and support the bodys natural defense mechanisms
However, it isnt possible to know exactly how much B12 you are receiving this way
Ease of use: PT-141 nasal spray is considerably easier to use and administer, as it can be conveniently sprayed in the nostrils
PMID 32644742
Compliance Notice: This product is sold strictly for research purposes and is not approved for use in humans or animals
Le X, Puri S, Negrao MV, Nilsson MB, Robichaux J, Boyle T, Hicks JK, Lovinger KL, Roarty E, Rinsurongkawong W, Tang M, Sun H, Elamin Y, Lacerda LC, Lewis J, Roth JA, Swisher SG , Lee JJ, William WN Jr, Glisson BS, Zhang J, Papadimitrakopoulou VA, Gray JE, Heymach JV