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Supplement Science


New Research on Essential Amino Acids for Muscle Repair

Previously, I wrote an article titled “Sarcopenia & Amino Acids” for the September 2017 issue of Vitamin Retailer. In it, I discussed the science behind a specific, patented blend of essential amino acids (EAAs) known as Reginator, with a focus on sarcopenia (age-related muscle loss). I also reviewed research on EAAs’ impact on younger subjects […]

Synthetic vs. Vegan D3: Impact on Health & Sustainability

The prevalence of vitamin D deficiency and insufficiency (i.e., inadequate levels) is significant. The journal Nutrients1 indicated that 29 percent of the U.S. population is vitamin D deficient and an additional 41 percent are vitamin D insufficient. Considering vitamin D’s critical for building bone and for so many other aspects of human health, this is […]

A 360-degree Approach to Weight Management With Natural Ingredients

Are you overweight or obese? If so, you’re not alone. According to the Centers for Disease Control and Prevention (CDC), the U.S. obesity prevalence is 41.9 percent.1 But what constitutes obesity? The CDC indicates that an adult who has a BMI between 25 and 29.9 is considered overweight, while an adult who has a BMI […]

All Collagens Aren’t Created Equal

The U.S. collagen market size was estimated at more than $2.11 billion in 2022 and is anticipated to expand at a compound annual growth rate (CAGR) of 11.2 percent from 2023 to 2030.1 Clearly, collagen is a happening dietary supplement category—and if you’ve been in the industry for a while, you’re likely aware that the […]

Glutathione for Liver Health and Beautiful Skin

Although often thought of as an amino acid, the antioxidant glutathione (GSH) is actually a tripeptide1,2 primarily synthesized in the liver and composed of the amino acids cysteine, glutamic acid and glycine.3,4 Arguably, GSH is the most important tripeptide in the body, playing critical roles in the synthesis and repair of DNA and protein, as […]

AHCC for Immunity, HPV, COVID-19 and Lyme Disease

In October of 2022, Vitamin Retailer’s sister publication—Natural Practitioner—published my article, “The Use of AHCC in the Treatment of Human Papillomavirus (HPV).” In the current article, I’m also going to review the value of this nutraceutical for HPV, but in addition I’ll be discussing AHCC’s value for immune function, COVID-19 and Lyme disease as well. […]

Lutein, Zeaxanthin & Astaxanthin: A Preferred Combination for Eye Health

In 2017, I wrote an article for Vitamin Retailer called “Lutein & Zeaxanthin: Protection Against Blue Light Damage to Eyes,” which appeared in the May issue. Since that time, there has been additional research on lutein and zeaxanthin for eye health. Furthermore, there is some great research on astaxanthin for eye health, as well using […]

Evidence-based Uses of Standardized Black Seed Oil

Although public and industry awareness of the health/wellness benefits of black seed oil (BSO) has only gained traction in the last few years, this botanical ingredient has seen some very quick growth with an estimated global market size of $18 million in 2021, and expectations to expand at a CAGR (compound annual growth rate) of […]

Collagen & Resveratrol: The Advantage for Skin Care

There are so many different nutraceuticals available to help promote healthy, attractive skin. But two of them that deserve special mention are collagen and resveratrol. Of course, there are few people who will be surprised to hear that collagen offers skin related benefits, but many of those same people may be interested to learn that […]

Quercetin Phytosome for Inflammation, Athletic Performance and More

Although a mainstay in the dietary supplement industry, quercetin is one of those nutraceuticals that many people seem to struggle with when asked the question, “What does it do?” This article attempts to provide elucidation with a specific focus on quercetin phytosome. Introduction Categorically, quercetin is a flavonol—one of six subclasses of flavonoid compounds1—that naturally […]

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