Kelker Pharma is a GMP contract manufacturer of dietary supplements based in the USA. Kelker is the trusted partner for many leading powders, capsules and tablets. Earlier in 2025, Kelker launched its first brand, Nutrilinq, the world's first complete nutritional support system to compliment GLP-1 agonist drug users for rapid weight loss. Nutrilinq is science-backed and formulated to ease the discomforts associated with rapid weight loss. There are three products in the line, Nourish powder (gut health), MBJ powder (Muscle, Bone & Joint), and Essentials capsules (Hair, Skin, Nails & Immune).