Product Description
You train hard, but are you actually building strength that lasts? Most athletes chase the next supplement trend, missing the fundamentals that legends like Arnold Schwarzenegger know makes the difference. The unsexy truth is that lasting strength comes from the basics that you can do consistently.
Momentous Arnold's Stack delivers exactly what Arnold takes every single day—grass-fed whey protein isolate, Creapure® creatine monohydrate, and vitamin D3. It's the foundational stack that supports muscle growth, power output, and bone health for athletes who train for life, not just a season.
What Makes This Stack Different
Grass-Fed Whey – This isn't standard protein powder. The whey comes from European grass-fed cows and includes ProHydrolase® enzymes that break down protein faster, delivering amino acids to your muscles more efficiently while reducing bloating and digestive discomfort.
Creapure® Creatine – Made in Germany under strict pharmaceutical standards, Creapure® is the purest form of creatine monohydrate available. It supports ATP production for explosive power and also enhances cognitive function and mental clarity during training.
NSF Certified for Sport® Protection – Every product in this stack is independently tested and certified by NSF, meaning each batch is screened for over 270 banned substances. You get pharmaceutical-grade quality without the guesswork.
All the Options – Arnold's Stack is available with Chocolate, Vanilla, Strawberry, or Unflavored whey protein. Choose based on your taste preference—all flavors contain the same high-quality protein and ProHydrolase® enzymes. Unflavored works great if you prefer mixing into smoothies or recipes.
Better Together
The whey isolate delivers 20 grams of complete protein per scoop, flooding your muscles with the amino acids needed for repair and growth.
Creatine saturates your muscle cells with phosphocreatine, the compound that regenerates ATP during high-intensity efforts—whether you're pushing a heavy deadlift or sprinting up a climb.
Vitamin D3 ensures your body can absorb calcium properly, supporting bone density and muscular function while keeping your immune system strong. These three work together to support strength gains, recovery speed, and long-term resilience.
Daily Use Protocol
Take all three daily, whether you train that day or not.
Mix one scoop of creatine (5g) and one scoop of whey protein in water post-workout or any time you need protein support. Take one vitamin D3 capsule (2000 IU) with or without food. Benefits build with consistent use—creatine saturates your muscles within 2-4 weeks, while vitamin D levels improve within 4-8 weeks.
Always Happy Promise: Don't like a product? Tell us within 30 days of receipt and we'll make it right and make you happy. Here at The Feed, we want you to love your experience and the sports nutrition products you purchase. If, for any reason, you are not satisfied with your nutrition specific purchase, tell us.
We do not accept returns on food items that have been opened, but we will issue a store credit if you are unsatisfied. In the event of a return, you must first contact us before sending back a return shipment.
Consumable products over $40 receive a 50% store credit. This includes specialty nutrition products such as ketones or supplements/vitamins.
Momentous Arnold's Stack FAQ's
Everything you need to know before getting started.
Yes. Arnold’s Stack reflects the core supplements used by Arnold Schwarzenegger daily—protein, creatine, and vitamin D3—because they address the fundamentals of strength, muscle, and long-term performance.
Arnold’s Stack is designed for anyone who is focused on strength, muscle, and longevity—from serious athletes to everyday individuals of any age who want a simple, proven daily routine without trends or hype.
Yes. Consistent daily use is important in order to get all the benefits. Creatine and vitamin D3 work by building and maintaining levels in the body over time, not just on training days.
Momentous Whey Protein Isolate is sourced from grass-fed, pasture-raised cows on European dairy farms that meet rigorous standards for animal welfare and product quality, including being free from hormones, steroids, and rBST.
Not necessarily. The idea that Vitamin D3 must always be paired with Vitamin K2 to “move calcium into the bones” is a common myth, not a medical requirement. Most healthy people already get enough Vitamin K through diet-leafy greens supply K1, and foods like eggs, dairy, and fermented dishes provide K2. Your body can also convert some K1 into K2 as needed.
Some people are concerned about bloating, however creatine does not cause unwanted weight gain or bloating for most people. Any small change on the scale is typically from water being stored inside the muscle cells, not under the skin. This is actually part of how creatine supports strength, power, and recovery, and it tends to normalize with consistent use.