This Commonly Used Supplement May Be Troublesome

2015_1_8_THU_profileDo you take a supplement with calcium or know some one who does?

The research is concerning.

Calcium supplements increase kidney stone growth. Not good.

Real food sources of calcium are great.  No issues there. But, additional supplementation may be troublesome.

From: Loftus, J., Journal of the American Society of Nephrology Supplement, p. 584A, 2015).

Use of calcium supplements has been shown to increase the rate of growth of kidney stone in postmenopausal women.  A review of CT scans of such women with a history of kidney stones showed that among those taking calcium supplements (averaging 439 mg per day), stones grew at average rate of 7.8 millimeters per month, compared 4.49 millimeters among those not taking calcium. Vitamin D supplementation showed no added risk and, potentially, a protective effect (stones grew at only 3.3 millimeters per month).

This newer finding on calcium supplementation adds to the concern referenced years ago.  See previous post from 2013 on Calcium Concerns.

In response to the concerns, we re-evaluated and revised the tested and true dietary supplements reference guide. Several supplements were removed and others were added based on available research.

(To see the updated reference guide of tested and true dietary supplements, click here).

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About Dave Barnas, M.S., CES, NASM-CPT

Dave is the true health guy. He is the founder and owner of True Health Unlimited, LLC, a personal health and fitness company in Tolland, CT. Dave earned both a Bachelor's (1998) and Master's Degree (2000) in Nutritional Science from the University of Connecticut, and also holds certifications as a National Strength and Conditioning Association Certified Personal Trainer, National Academy of Sports Medicine Certified Personal Trainer and Corrective Exercise Specialist, Aerobics and Fitness Association of America Group Instructor, and Nutrition Specialist. He's also the lead author for four published works. Dave has over 25,000 hours of combined experience in nutrition counseling, dietary supplement advising, personal training, corrective exercise training, health coaching and public speaking. In addition, he's spent over 20 years studying spirituality, meditation, and personal growth strategies. Dave's clients are all ages: youth, college championship level athletes, folks in their retired years, and everywhere in between. He's worked with three of the nation's leading physicians as a dietary supplement advisor and been a guest lecturer at Harvard University, Yale University, UConn, St. Joseph College and various church groups, health clubs, and high schools. In 2013, he was invited to Whole Foods Market to share his Real Food Therapy Guide. And in 2015, Dave's funny "Snowga" (yoga in the snow) video caught the attention of The National Weather Channel, who aired it to shake off cabin fever and bring laughter. In 2016, Dave & Hollie (his wife) founded Wellness Writers and deliver evidence-based Wellness E-newsletters to spread a message of health and happiness to various businesses throughout the US. Dave currently serves as a wellness coach and writer for several businesses, gyms and wellness facilities throughout the US.

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