We focused on the following areas: Taste and texture: for gummies and sprays, we noted whether the flavour was pleasant and the texture easy to consume Form of vitamin B12: we checked whether the B12 was provided in an effective form, such as methylcobalamin or cyanocobalamin, and if it was combined with other nutrients that might support its function Nutrient profile: each product was examined for the amount of vitamin B12 per daily dose and how this compared with the Nutrient Reference Value (NRV) Additives: ingredient lists were reviewed for bulking agents, preservatives, artificial sweeteners or colourings, with simpler formulations highlighted Dietary requirements: we checked whether products were suitable for vegetarians, vegans or those following gluten-free diets Value for money: cost per daily dose was compared across products, weighing price against dosage, formulation and overall quality Why you can trust Good Food reviews Our review of vitamin B12 supplements was created with input from a qualified nutritionist, who guided us on the most effective forms of B12, such as methylcobalamin and cyanocobalamin, and how theyre best absorbed by the body
If your 50 units delivers 15 mg from a 30 mg/mL vial, you are getting the maximum dose from relatively little liquid, stretching your vial further than someone who needs 300 units (3 mL) of a 5 mg/mL solution for the same 15 mg dose
Marine algae (left) and marine feather duster worms (right) are osmotic conformers
Nerve Regeneration and Neuroprotection Another domain that has garnered researchers interest is nerve regeneration
Six patients with chronic progressive MS received massive doses of methyl vitamin B12
These support normal cytokine activity
