New Protein Coffee | 30% Off for New Subscribers

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★★★★★ 4.9 stars | 100K+ reviews | 400M+ cups served
For GLP-1 Users

6 reasons GLP-1 users are adding protein coffee to their morning

(besides the taste)

On a GLP-1, every sip has to work harder. One cup. 10g of dairy-free protein. 5g of creatine. A full clinical dose of lion's mane. Built to support your goals — not replace your coffee.

400M+ Cups Served · Since 2012

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Protein Coffee by Four Sigmatic
Protein 01

Protect your muscle while you lose weight.

GLP-1s can lead to rapid weight loss — but a significant portion of that loss can come from lean muscle. Protein helps preserve muscle as you lose weight, so you stay strong while hitting your goals. Our blend delivers 10g of dairy-free protein from organic pea and grass-fed collagen — every morning, before you've even thought about lunch.

Protein to preserve muscle on GLP-1
Strength 02

A full clinical dose of creatine. Every morning.

Creatine isn't just for workouts. It supports lean muscle, recovery, and everyday strength — especially when calories are lower. We use a full 5g of creatine monohydrate, the most researched form at the dose studies actually use. No loading phase. Just a scoop in your coffee.

Creatine for strength and muscle support
Fullness 03

Stay satisfied between smaller meals.

When portions shrink, what you include matters more. Protein is the most filling macronutrient — it helps you stay fuller longer and supports steadier energy, even when you're eating less. One cup turns your morning coffee into something that actually keeps you going.

Gut 04

Made for a sensitive system.

GLP-1s can leave your gut feeling fragile. That's why we left out the things that make it worse — no whey, no dairy, no artificial sweeteners, no xanthan gum, no fillers. Just organic pea protein, grass-fed collagen peptides, and a touch of coconut sugar. Smooth on the way in, easy on everything after.

Gentle on gut for GLP-1 users
Focus 05

Clear thinking, on fewer calories.

Smaller meals can mean foggier mornings. Our blend includes 500mg of lion's mane extract — from 3000mg of 6:1 fruiting body extract, a real supplement dose for mental clarity and focus. Most protein coffees won't even tell you how much they use. We will.

Lion's mane for mental clarity
Ritual 06

One swap. Not another step.

You're already drinking coffee. We just made it work harder. One scoop replaces your morning cup and delivers protein, creatine, collagen, lion's mane, and real organic Arabica — in 60 calories. No extra shake. No new routine. The simplest way to support your GLP-1 journey.

Simple morning ritual with protein coffee
Protein Coffee
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2 bags. 20 mornings. $1.50 a day.

  • 5g creatine — the dose studies actually use
  • 10g whey-free protein (pea + grass-fed collagen)
  • 500mg lion's mane (from 3000mg 6:1 extract)
  • Organic Arabica Coffee
  • 60 cal per serving · 3rd party tested
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2 bags  ·  20 servings  ·  $1.50/day You save $30
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100,000+ happy customers

Four Sigmatic products are not medications and are not intended to diagnose, treat, cure, or prevent any disease. Designed to support your nutrition alongside your GLP-1 protocol, not replace medical guidance.

Common questions

It does 😊 Smooth, rich coffee flavor from premium medium roast Arabica beans — no mushroom taste, no chalky protein shake flavor. Just a delicious cup of coffee with benefits beyond caffeine.
Smooth all the way through. The formula is designed to dissolve cleanly with no sandy or chalky texture — just a creamy, easy-drinking cup of coffee.
Absolutely. For best results, mix with a splash of warm water first, then pour over ice. The result is a smooth, creamy iced coffee with no blender required.
Definitely. While creatine is popular in fitness, it also supports cellular energy and cognitive performance. Combined with protein and lion's mane, this coffee is designed for everyday focus, energy, and nourishment — not just workouts.
Instead of adding another supplement to your routine, Protein Coffee upgrades something you already do every morning. You get real coffee plus protein, creatine, collagen, and lion's mane — all in one delicious cup.
Each serving contains: 10g protein, 5g creatine monohydrate, 3000mg lion's mane mushroom (from a 6:1 extract), grass-fed collagen peptides and premium instant Arabica coffee. All designed to support energy, focus, strength, and a smoother start to your day.
Buy 1, Get 1 Free
★★★★★ 4.9 100K+ 5-Star Reviews 400M+ Cups Served

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