Ten months of using PureC4S has made an amazing difference in the way my joints feel. In a very good way!! As an older strength athlete I know that aging strongly and moving with ease is the best result of all!Karen became a strength athlete at the age of 65. In 2022, at the age of 69 she achieved three World Records: in squats, dead lifts and the largest total lift in her weight class and age group, an incredible 716.5 lbs. Karen is an motivation and inspiration to many women and men, both young and old alike across the world. She has been the featured guest on many podcasts, sharing her journey and results: Age is Irrelevant, Women Who Lift and Fiercely Fueled Nutrition Podcast to name a few.