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COMPLEMENT® Strongevity Stack

Want to stay strong for the long haul? The Strongevity Stack combines COMPLEMENT® Creatine with Unflavored Organic Protein to help build and maintain muscle, support brain health, and promote a vibrant lifestyle for years to come.*

This two-month stack pairs daily Creatine with Protein to enjoy as desired.

Stack & SAVE 15%
  • 100-day money-back guarantee
  • Free USA shipping over $95
  • Supports strength, vitality, and healthy aging to help you stay active and strong.*
  • Supports cognitive function and cellular energy for a sharper mind and sustained daily performance.*
  • COMPLEMENT® Creatine (60 servings): Features Creavitalis® creatine monohydrate for superior absorption to fuel muscle maintenance and longevity.*
  • COMPLEMENT® Unflavored Organic Protein (30 servings): Provides 15g of complete, plant-based protein per serving with clean, organic ingredients and no chalky aftertaste.*
  • Every product is third‑party tested for purity and quality, with clean, evidence-based ingredients you can trust.

A black and white icon of a simplified American flag inside a circle, next to the text Made in USA. A black leaf icon with text beside it reading 100% Vegan in bold, indicating the product is completely vegan. A logo with a hexagonal network surrounding a cube next to the text “Traceable Nutrients” in bold, black font. A simple line drawing of a rabbit sitting upright next to the words Cruelty Free, indicating that the product is not tested on animals. Icon of a laboratory flask filled halfway, next to the words Third Party Tested in bold, gray text.

What’s included?

COMPLEMENT® Creatine

60-SERVING SUPPLY

The absolute purest creatine monohydrate to support energy, cognition, strength... and a longer, better life.* Built for more than athletes, it’s for thinkers, movers, and doers.

100%

Pure

Creatine

Monohydrate

Fast

Dissolving

in

Water

Absorption-Optimized

Formula

A white packet labeled Creatine Pure Creatine Monohydrate lies on a dark surface next to a glass of water. The packet highlights benefits like energy, brain health, muscle growth, and reproductive health.
A bag of Complement Unflavored Organic Protein powder is surrounded by floating protein powder. The packaging highlights its plant-based blend: almond, chia seed, pumpkin seed, sunflower seed, and yellow pea.

COMPLEMENT® Unflavored Organic Protein

30-SERVING SUPPLY

Complete, organic, endlessly versatile plant protein. Made with a transparent blend of real food proteins for an unflavored, never chalky texture.

15g

Plant-Based

Protein

5

Real-Food

Ingredients

100%

Certified

Organic

One Stack for All‑Day Energy & Restorative Nights

Supports muscle growth & retention.*

Helps maintain strength & mobility.*

Supports cognitive health & clarity.*

Helps fuel cellular energy production.*

Promotes healthy aging & vitality.*

A smiling woman holds up a Complement-branded bag of Pure Creatine Monohydrate supplement, highlighting benefits like longevity, energy, brain health, muscle growth, and reproductive health. A man in a light blue shirt holds a green smoothie and stands by a wooden table with a bag of Complement Organic Protein powder, measuring scoop, bananas, and a leafy plant in the background. A smiling woman in athletic wear stands in a kitchen, holding and opening a bag of creatine supplement on the counter in front of her. A person in a purple tank top opens a bag of Complement Unflavored Organic Protein powder in a kitchen, with a black Complement shaker cup on the counter nearby.
4.72
61 reviews

Loved By Thousands

Customer Reviews

Based on 61 reviews
87%
(53)
5%
(3)
5%
(3)
0%
(0)
3%
(2)
C
Cynthia A. (San Diego, US)

COMPLEMENT® Creatine

C
Cynthia K. (Madison, US)
Excellent product

Went into solution so quickly. No taste. Use it in my coffee

D
Dawn M. (Pittsfield, US)

great product!

A
Alan E. (Phoenix, US)
Superb plant based products

I’ve been taking the Complement vitamin, omega+, and creatine for several months now and absolutely love them. The creatine blends well and I’ve seen noticeable gains in the gym. The vitamins are on point and help meet my dietary needs vegan style!

C
Carol C. (Houston, US)
Products

The products I have used from Complement have been very good and I trust that they are made from the best ingredients possible. Thank you for all the work you have all done to make this possible.

100

Day Money-Back Guarantee

“Minimalist vector icon representing a product guarantee or warranty with clean lines and a modern aesthetic, suitable for wellness product pages and e-commerce branding.”

100% Happy

We stand behind our products 100%. If you’re not happy with the results, taste, or experience, we’ll fix it.

“Minimalist vector icon symbolizing product guarantee or warranty, featuring clean lines and a modern design for wellness product pages and online store branding.”

100-Day Guarantee

You have a full 100 days after receiving your product to try it out and see if it’s the right fit for you.

“Minimalist vector icon representing a product guarantee or warranty, designed with clean lines and a modern aesthetic for wellness product pages and e-commerce branding.”

100% Money-Back

And if you don’t love it within the first 100 days, we’ll issue a full refund. No questions asked. No fine print. That’s the Complement guarantee.

Frequently asked questions.

Still not sure? Find answers to your questions here...

WHO IS THE STRONGEVITY STACK FOR?

The Strongevity Stack is designed for anyone who wants to support their strength, vitality, and healthy aging — whether you’re active, plant‑based, or simply looking to stay strong as you get older.*

WHY COMBINE COMPLEMENT CREATINE WITH UNFLAVORED ORGANIC PROTEIN?

Creatine supports cellular energy, brain health, and muscle maintenance, while our clean plant-based protein provides the building blocks for lean muscle. Together, they offer a powerful foundation for long‑term fitness.*

HOW DO I TAKE THE STRONGEVITY STACK?

You can take them together (simple mix a serving of each in your shake or smoothie), or separately at various points throughout the day. The key is consistency.

IS THE STRONGEVITY STACK SAFE FOR DAILY USE?

Yes! This two-month stack pairs daily Creatine with Protein to enjoy as desired.
Both products are made with clean, transparent ingredients and are third‑party tested for quality and purity.

IS IT JUST FOR ATHLETES?

Not at all. While athletes love creatine and protein, the Strongevity Stack is just as beneficial for anyone looking to support muscle retention, cognitive health, and vitality as they age.

Two white bags labeled COMPLEMENT® Strongevity Stack by Complement feature minimalist designs: one highlights plant-based ingredients, the other promotes creatine’s benefits for energy and brain health.
COMPLEMENT® Strongevity Stack
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