Guarana is a popular plant extract found in many supplement products including energy drinks that claim to boost performance and energy levels. It comes from a little black seed that grows on a tree indigenous to South America, and it contains high concentrations of caffeine – much higher than the average coffee bean. In 2001, [...]
The results of a landmark study that evaluated the impact of Vitamin D on cancer in 25,871 people was just published! I recently posted a blog titled, “Does Vitamin D have a protective effect against cancer?” My short answer to this question was “We don’t know!” Due to the lack of clinical randomized studies, it [...]
The short answer to this question is: We don’t know! Some studies have shown that individuals with vitamin D deficiency had a 31% higher risk for colorectal cancer. Other studies have shown that postmenopausal women with vitamin D levels higher than 60 ng/ml had an 80% lower risk for breast cancer compared to postmenopausal women [...]
How do you know that you need the dietary supplement that you just purchased? Last week, I gave a community talk at the Monarch Beach Resort in Dana Point, CA titled “Dietary Supplements Examined”. One of the questions that I posed to the audience was: “When you purchase vitamins and minerals, how do you know [...]
Have you ever taken a probiotic (microorganisms or “good bacteria” that can help restore balance in the gut) or a prebiotic (substances that feed good bacteria to help them grow in your gut)? If you have, you are one of the consumers who contribute to the probiotics $2 billion industry! According to the Nutrition [...]
You read that right! The U.S. Food and Drug Administration (FDA) does not regulate dietary supplements. This means that the manufacturers of dietary supplements do not need to prove that their products are safe or effective before they go on the market. The FDA oversees and regulates prescription drugs and over-the-counter (OTC) medications and it [...]
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