Summary : B12 is available in a variety of forms including oral supplements, sublingual tablets, injectable shots and gel formulas
While there are still some limitations with intranasal delivery, including solubility, pH, and dose/volume limits, it is becoming increasingly accepted that this route is both safe and effective [38]
Here is a behind-the-scenes glimpse of the night
Neelakantan et al., Biochemical Pharmacology, 2018, gave diet-induced obese mice the compound and reported it significantly reduced body weight and white adipose mass, decreased adipocyte size, with food intake unchanged (PMID 29155147) [3]
So glutathione doesn't just protect collagen, it helps create the conditions under which more collagen can be built