A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use
Oral supplementation is more affordable and accessible but may be ineffective in individuals with gastric malabsorption
(PubMed) Zuin M, Cervellati C, Brombo G, Trentini A, Roncon L, Zuliani G
These shots are administered via intramuscular injection (often referred to as IM) so there is no gastrointestinal metabolism, which also allows for increased nutritional absorption
Fermented foods (such as tempeh), nori, spirulina, chlorella algae, and unfortified nutritional yeast cannot be relied upon as adequate or practical sources of B-12.39,40 Vegans must regularly consume reliable sourcesmeaning B-12 fortified foods or B-12 containing supplementsor they could become deficient, as shown in case studies of vegan infants, children, and adults