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Rule 1

Casein Protein

25g Slow-Digesting Casein
🏆
10g+ Naturally Occurring EAAs
Informed Choice Certified
$35.99
Save $3.59 in Cart
25g of 100% micellar casein per scoop for slow, sustained amino acid delivery
10g+ naturally occurring EAAs per serving for muscle protein synthesis support
Informed Choice Certified — third-party tested for banned substances
Ideal before bed or between meals for sustained-release protein feeding

Choose your quantity

Choose your quantity
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Lauren J.

Mixes perfectly, tastes amazing, and zero bloating. Best protein I've found. Highly recommend!

25g Casein per Scoop
10g+ EAAs
Slow-Digesting Protein
Informed Choice Certified
Pre-Bed Protein Source
25g Casein per Scoop
10g+ EAAs
Slow-Digesting Protein
Informed Choice Certified
Pre-Bed Protein Source
25g Casein per Scoop
10g+ EAAs
Slow-Digesting Protein
Informed Choice Certified
Pre-Bed Protein Source
25g Casein per Scoop
10g+ EAAs
Slow-Digesting Protein
Informed Choice Certified
Pre-Bed Protein Source

You'll Love This Protein

You'll Love This Protein

25g Slow Casein

100% micellar casein per scoop for slow, sustained amino acid delivery during fasted windows.

10g+ EAAs

Naturally occurring essential amino acids including BCAAs for muscle protein synthesis support.

Informed Choice Certified

Third-party tested for banned substances under the Informed Choice certification program.

Pre-Bed Protein

Ideal as a pre-bed or between-meal protein feeding to sustain amino acid availability.

Protein product feature image

Transparency by the numbers

Transparency by the numbers

0g

Casein Protein

100% micellar casein per scoop for slow-release amino acid delivery.

0g+

Naturally Occurring EAAs

Per serving for muscle protein synthesis and recovery support.

Informed

Choice Certified

Third-party tested for banned substances under the Informed Choice certification.

* Based on post-purchase surveys and manufacturer data.

Rule 1 Casein Protein
25g Casein per Scoop
10g+ EAAs
Slow-Digesting Protein
Informed Choice Certified
Pre-Bed Protein Source
25g Casein per Scoop
10g+ EAAs
Slow-Digesting Protein
Informed Choice Certified
Pre-Bed Protein Source
25g Casein per Scoop
10g+ EAAs
Slow-Digesting Protein
Informed Choice Certified
Pre-Bed Protein Source
25g Casein per Scoop
10g+ EAAs
Slow-Digesting Protein
Informed Choice Certified
Pre-Bed Protein Source

Why R1 Casein Outperforms Generic Casein Protein

Why R1 Casein Outperforms Generic Casein Protein

We only carry brands that meet our strict quality standards. No fillers, no proprietary blends, no shortcuts.

Rule 1 Casein
CHN Approved
Generic Casein
Budget
Casein Source
100% Micellar Casein Casein Blend or Caseinate
Protein per Scoop
25g 20-22g
Naturally Occurring EAAs
10g+ Lower or Not Listed
Banned-Substance Tested
Informed Choice Certified
Slow-Digesting (Sustained Release)

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4.85/5 based on 1,649 verified reviews

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Know before you scoop!

Still not sure? Our team offers free consultations at both Fort Wayne locations.

What type of protein is best for me? +

It depends on your goals! Whey isolate is ideal for lean muscle with minimal carbs, whey concentrate is great for general fitness, and plant-based options work for dairy-free diets. Visit us in-store for a free consultation and we'll help you find the perfect fit.

How much protein do I need daily? +

Most active adults need 0.7-1g of protein per pound of body weight. If you weigh 180 lbs, aim for 126-180g daily. Our staff can help you dial in the right amount based on your specific activity level and goals.

Can I use protein powder as a meal replacement? +

Yes! Many of our proteins work great as a meal replacement when blended with fruits, nut butter, or oats. For a complete meal, pair your protein shake with healthy fats and carbohydrates to hit your macro targets.

Do you offer samples or flavor recommendations? +

Absolutely! Visit either of our Fort Wayne locations and our team can help you sample flavors before committing to a full tub. We know how important taste is. Life's too short for protein you dread drinking.

Is your protein third-party tested? +

We only carry brands that undergo third-party testing for purity, potency, and banned substances. Quality is non-negotiable. It's why customers have trusted us for 15+ years in Fort Wayne.

What's your return policy on supplements? +

Unopened items may be eligible for return at Complete Health's discretion. Opened products cannot be returned. Clearance items are final sale. To start a return, email completehealthfwsw@gmail.com with your name, product details, and purchase date. If something arrives damaged, snap a photo and reach out right away and we'll get it sorted.

Know before you scoop!
Casein Protein

Casein Protein

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