Studies show that injectable B12 allows for higher absorption rates compared to oral supplements, with absorption rates between 15-97% of the administered dose
The products which have changed are not injectable
Documented side effects are usually mild to moderate: Injection-site pain, redness, or bruising Flushing Increased heart rate Nausea or gastrointestinal upset Headache Urinary changes or a fishy body odor at higher choline doses Because these are compounded products, sterile technique, pharmacy sourcing, and formulation verification matter
Note: Product availability and specifications subject to change
The vitamin drives healthy levels of an amino acid called homocysteine, linked to heart disease
Readers are advised to consult with a qualified healthcare professional for any medical concerns including side effects