Soy You Later

Mass-market protein powders sell you one-size-fits-all protein powder with hidden soy-containing ingredients. We keep it 100% soy-free with clean, honest ingredients tailored to your body type and fitness goals.
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Soy You Later

Mass-market protein powders sell you one-size-fits-all protein powder with hidden soy-containing ingredients. We keep it 100% soy-free with clean, honest ingredients tailored to your body type and fitness goals.
Get Started

No Soy

Despite being one of the few complete sources of plant protein, soy has managed to get a bad reputation. This is especially true among health and fitness geeks, and of course, people with soy allergies. That’s why we make all of our protein powder blends 100% soy-free.

Personalized For You

There's no best protein powder, but there is a best protein powder for you. Complete our free quiz and we’ll calculate the exact ratio of ingredients you need to reach your goals.

No Fillers or Binders

We keep it simple with clean, honest ingredients in the ratios that are right for you. That means no fillers, binders, or artificial flavors and sweeteners – not now, not ever.

Soy-Free Protein Powder

30 Servings. Delivered to Your Door.
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We're different
because you're different

There is no best protein powder, but there is a best protein powder for you. Losing weight? Building muscle? Vegan? Let Gainful calculate the exact ratio of ingredients you need to reach your goals.
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How it works

Tell us about yourself

Take a few minutes to fill out the quiz.

Review your blend

We'll immediately calculate your perfect blend.

Free Shipping

Order your supply of protein powder.

Gainful customers have access to a Registered Dietitian

Unlimited access to your
Registered Dietitian

Gainful is more than just protein powder. Curious about an ingredient or simply want to set a realistic weight loss goal? Connect for free with your very own Dietitian - whenever it's convenient for you.
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