Why might I feel worse after switching to a new brand of coenzyme Q10?

Dr. Michael Roizen, MD
Internal Medicine
If you were feeling a benefit from your previous brand, and not from the new one, the problem may be that the new brand doesn’t have real coenzyme Q10 in it! ConsumerLab did an analysis and found that about 10% of brands actually have none. Nature’s Bounty and Nature Made are inexpensive, and do have the actual stuff.

Continue Learning about Dietary Supplements

Dietary Supplements

Whether you're visiting the drug store, grocery or natural food shop you'll likely find an aisle where there are jars and bottles of things for you to put in your body that are neither foods nor medicines. Ranging from vitamins an...

d minerals to fiber and herbal remedies, these supplements are not regulated in the same way as either food or medicine. Some of them are backed by solid research, others are folk remedies or proprietary cures. If your diet does not include enough of certain vitamins or minerals, a supplement may be a good idea. Natural treatment for conditions like constipation may be effective. But because these substances are unregulated, it is always a good idea to educate yourself about the products and to use common sense when taking them. This is even more true if you are pregnant or taking a medicine that may be affected by supplements.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.