Calcium was concluded to be the mechanism for the B12 deficiency associated with Metformin. The Age and Ageing journal states that the deficiency can be reversed by simply taking an additional calcium supplement with the prescribed dose of Metformin. Can I eat grapefruit while taking Amlodipine daily? Posted 23 May 2013 • 2 answers. I take 10 mg of Amlodipine once daily in the morning, I understand grapefruit and beta blockers do not get along. Is taking certain supplements and hypothyroidism medications bad? Learn which supplements can interact with thyroid hormone medications like levothyroxine (Synthroid), thyroid hormone levels, and laboratory tests. I'm currently on 12.5mg of metoprolol succinate and 50mg sertraline and my doctor wants me to stop taking the beta blocker. He told me that just stopping it on 12.5 should be ok but I have concerns. Coenzyme Q10, also known as CoQ10, is a vitamin-like chemical that is found in practically all the cells in our body, especially in the heart. The Anxiety Summit – How Methylfolate can make you Feel Worse and even Cause Anxiety, and What to do about it. May 12, 2015 By Trudy Scott 175 Comments Below is a comprehensive list of questions recently answered by ConsumerLab.com. If you would like to ask us a question, please post it on our Facebook page or send us an email. Natural Health Remedies and alternatives to medications newsletter 2017. Get a free Natural Health Remedies Newsletter by email once or twice a month. By Carrie Myers Americans spend more than $28 billion on vitamins and supplements each year and increasingly coenzyme Q10 (CoQ10) is on their shopping lists. Statins side effects, benefits, risks and danger, natural alternatives, muscle damage, use of CoQ10 August 28 2018 by Ray Sahelian, M.D.