Other compounds discussed here, such as NAD+ and glutathione, are not peptides at all, but are non-peptide therapies that some companies also offer
Common causes of B12 deficiency include: vegan or vegetarian diet, age 50+, acid reflux medication (PPIs), digestive disorders, birth control use, heavy alcohol intake, and celiac disease
No harm has been linked to the adduct specifically
This is why Vitamin B12 therapy can be a godsend: By getting an intramuscular injection of B12, you can bypass the GI tract and allow for up to 100% absorption into the body and straight into your cells
Best Vitamin B12 for Energy: Form, Dose, and the Bigger Picture Choosing the right form For daily energy support, methylcobalamin is the stronger choice
What if it is not worth continuing