New York, NY—New research indicates there may be an effective way to enhance levels of l-glutamine in the blood. This amino acid plays a vital role in cell proliferation, provides the fuel for respiration, supports muscle recovery after exercise and enhances healthy immune function.

On April 24, the U.S. Food and Drug Administration (FDA) issued warning letters to 10 manufacturers and distributors of dietary supplements containing dimethylamylamine (DMAA). DMAA is commonly found in sports and weight-loss supplements.

Laguna Beach, CA—Richard A. Passwater, Ph.D., scientific editor/author of WholeFoods’ Vitamin Connection column and well-known nutrition researcher, and fish oil authority Jorn Dyerberg, M.D., DMSc., have co-authored a new book about omega-3s that is due out this summer.

Pittsburgh, PA—First-quarter sales for GNC Holdings Inc. better than expected. Revenues were $624.3 million, which was 23% higher than they were last year at this time.

Washington, D.C.—For the first time, annual consumer purchases of organic products in the United States have topped $30 billion. At $31.5 billion, $29.22 billion of which went to organic foods and beverages with organic non-foods at $2.2 billion, the sector grew 9.5% in 2011 over the previous year.

The concept of a commercial product with a net environmental impact of zero, at least in terms of its carbon footprint, is an enticing possibility for eco-conscious businesses and consumers. Now, products can officially obtain this “carbon-free” status, and step out in style with a certification and seal program, courtesy of a collaboration between NSF International and the Carbonfund.org Foundation.

New York, NY—A branded L-alanyl-L-glutamine ingredient (Sustamine from Kyowa Hakko, based here) improved performance and reaction time in 10 college basketball players.

In the fall of 2010, the U.S. Food and Drug Administration was petitioned by high-fructose corn syrup (HFCS) manufacturers for the allowance to change the name from HFCS to corn sugar. Now, a cohort of consumer groups is urging FDA to reject this pending request.

South Plainfield, NJWholeFoods Magazine has partnered with Canadean and ICD Research to give you answers to some of your most pressing questions about today’s market. The new WholeFoods Magazine Market Research Store offers detailed reports about current consumer trends and emerging markets.