People with low B12 levels, fatigue, dietary restrictions, absorption issues, or symptoms linked to deficiency may benefit after assessment
This depends on your degree of deficiency and individual response
If symptoms persist despite regular oral supplementation, absorption may be limited
Best budget vitamin B12 supplement Price: $ Vitamin B12 form: cyanocobalamin Supplement type: fast dissolve tablet Dosage: 5,000 mcg Count: 200 Quality and safety standards: cGMP certified Why we chose it: No water is necessary for these fast dissolve tablets that you can take anywhere, anytime
If you do opt for a self-test, make sure you check for the following: Check the test covers 'active B12' (the amount available for your body to use) rather than 'total B12' levels Check the blood testing laboratories used to test them are accredited by UKAS
J Clin Invest 86 : 265272 Mauras N and Haymond MW (2005) Are the metabolic effects of GH and IGF-I separable