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Stevia Extract
Calcium Carbonate
never becomes soft
it may benefit you to chew more pieces at once
Extra Tough Set: 5 Packs for Price of 3 (1575g) - Hard gum | Optimal Shore Rigidity for Jaw Growth Stevia ExtractStronger Gum is used in Dr. Mike Mew's clinic, the leading doctor in craniofacial orthotropics. Your browser does not support our video. The Right Combination of Hardness & Toughness Hard and tough are not the same thing. Stronger Gum uses the right combination of hard and tough materials to activate the jaw muscles maximally. Jaw muscles respond best when they are worked out for at least 15 30 minutes at a time. Stronger Gum Extra Tough Hardest
