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6% Cash Back
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Cash Back Guidelines

Cash back is not offered on the purchase of Gift Cards or redeeming Gift Cards. Use of coupon/promotional codes not listed on Active Junky will void Cash Back.

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About Gainful Deals, Promo Codes & Cash Back

Gainful provides personalized protein powder tailored to your body type and fitness goals. Visit our website at Gainful.com to complete the short quiz and discover your perfect protein blend! Our product is a subscription based service - offering options for a 14-day or 28-day serving.

Shop with Active Junky to get the highest cash back rates and access to exclusive coupons and promotions.

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Gainful – Deals, Promo Codes & Cash Back

Personalized (And Delicious) 100% Whey Protein. Made Just For You. Try our new flavors!
6% Cash Back
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Personalized Protein Powder. Take the Quiz!
6% Cash Back
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Personalized Nutrition. Made for your lifestyle.
6% Cash Back
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Personalized Protein, Hydration, and Pre-Workout! 10% off
6% Cash Back
Promo Code: TAKE10OFF
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Personalized Protein for your fitness goals. Each protein formula contains 7 ingredients or less. No gluten, soy, fillers or any artificial flavors, colors or sweeteners.
6% Cash Back
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Invite a Friend – You Both Get $5

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