PNFLEX brand is a brand extension of PrincipleNutrition specially formulated for JOINT BONE and MUSCLE health. Relieving pain and inflammation of the joints and muscle cramps/aches as well as in assisting to build bone health.

PNFlex is ideal for people living a sportive, active lifestyle and for people who suffer from conditions affecting the bones, joints or the muscles, including osteoarthritis, osteoporosis, and rheumatoid arthritis.