A DealNews exclusive! Supplement Hunt offers two MRI Mind to Muscle Preworkout Formula 25-Serving Canisters (50 servings total) in Blueberry Lemonade for $39.98. Coupon code "dealnews2pre" cuts it to $5.99. With $5.99 for shipping, that's the lowest price we could find by $22. Each serving contains 30mg of Vitamin B6.