Dietary Supplement Muscle/Tendon Joint Support Gluten Free After a thorough analysis of the existing research and a careful review of all the available technical information, including supply chain integrity, we are replacing one of the five ingredients in our comprehensive joint support product, AR-Encap (SF774). The new AR-Encap formula will now include 50 mg of bromelain per capsule, which will replace an equal amount (50 mg per capsule) of Devil’s Claw (Harpagophytum procumbens).