l arginine or l carnitine L-Arginine L-Citrulline Complex, 1,000 mg, 240 Tablets Lycopene, Selenium, Omega 3, Zinc,
Description
D-Carnitine D-Carnitine is not a beneficial form of carnitine and should not be used as a dietary supplement
Your experience with feeling hot and tingly, almost like you've already started working out, is actually a common sign that the thermogenic effects are kicking in

Comparison of Glucosamine-Chondroitin Sulfate with and without Methylsulfonylmethane in Grade I-II Knee Osteoarthritis: A Double Blind Randomized Controlled Trial

& Bray, F
