Specialty Nutrition Group Inc. announced an exclusive retail distribution partnership with GNC Holdings Inc. to launch 15 nutrition products in four new brands. The new research-validated products are now available in GNC stores nationwide and online at GNC.com. The new brands include the F1RST® brand of patented and research-backed single-ingredient products, each using the exact ingredient form and dosage used in clinical studies; the Purpose® Nutrition brand of no-compromises, condition-specific nutritional therapeutic formulations; the MedVital® brand of nutritional components found in the Mediterranean Diet, each in its body-ready and clinically studied form; and SatisFIVE®, a natural greens drink that promotes a feeling of fullness.