No Thanks

Your 10% Off Promo Code is on the Way! Thanks for signing up for emails.

You're now signed up to receive exclusive deals and savings opportunities!

Thanks again for connecting with us. Keep an eye on your inbox — your first coupon is on its way!

Thank You! This email address is already signed up

You are signed up for the following:

  • Offers
  • Recipes
  • E-Newsletter
  • Updates & Reminders

Thank you for your interest and be assured that you will continue to receive our emails at this address.

Look for your next communication from us within the next week.


We are having trouble processing your request.

Our apologies!

Please try again later.

Search Please enter an item number or keyword
Shop by
Do You
Need Help?

Universal Nutrition

Animal M-Stak

Animal M-Stak

Item |  UN015

  • A non-steroid supplement geared specifically for intense workouts

  • Helps maximize lean gains with efficiency and effectiveness

  • Proudly made in the USA

21 Pkts

Now $33.74
Extra 10% Off
Was $37.49
MSRP $64.95
Extra 48%
Yes! I want free shipping over $50 on my next automatic shipment of this item.  days. Learn more
In Stock

Supplement Facts

Serving Size 1 Pack

Servings Per Container 21

  Amount Per Pack %Daily Value
Natural Flavone/Sterone Complex 750 mg  
β-Ecdysterone (whole plant)   *
5-Methyl-7-Methoxyisoflavone   *
Ajuga Turkestanica Extract (turkesterone)   *
β-Sitosterol   *
Anti-Catabolic Amino Complex 3,000 mg  
L-Leucine   *
L-Isoleucine   *
L-Valine   *
L-Taurine   *
Acetyl-L-Carnitine (ALC)   *
Leucine Ethyl Ester HCl   *
Anabolic Adaptogen Complex 1,000 mg  
Muira Puama (bark)   *
Kudzu (isoflavones) (root)   *
Safed Musli (root)   *
Rhodiola Rosea (rosavins) (root)   *
Insulin Potentiating Complex 500 mg  
Fenugreek (4-Hydroxyisoleucine) (seed)   *
Banaba Leaf Extract (corosolic acid)   *
Cinnulin PF™   *
Na-R-Alpha Lipoic Acid (Na-R-ALA)   *
M Factor Complex 500 mg  
Methylxanthine Complex (caffeine, theobromine)   *
Kola Nut (seed)   *

*Daily Value (DV) not established.

OTHER INGREDIENTS: Dicalcium phosphate, whey (milk), microcrystalline cellulose, Methylxanthine Complex (caffeine anhydrous, kola nut powder and guarana seed powder), gelatin, stearic acid, cyanotis vaga extract, magnesium stearate, soy (from beta sitosterol), magnesium silicate, titanium dioxide, FD&C Blue #1, Red #40, pharmaceutical glaze.

Made in a GMP facility on equipment that processes milk, soy, egg, peanuts, tree nuts, fish, shellfish, and wheat.

Bioperine® is Piper nigrum extract standardized for a minimum of 95% piperine alkaloids.

DOSAGE: Take a pack every day for 21 straight days. On training days, take it 30-45 minutes before lifting. On off days, take it between meals. Cycle Animal M-Stak for best results—three weeks on, one week off. Repeat as needed. The entire Energy Complex (stims) is contained in the single red capsule. Remove it as you see fit.

WARNING: This product contains potent flavones and phytoecdysterones. Consult with your physician before using this product, especially if you're under one's care for any reason. Discontinue use if nervousness, tremors, sleeplessness, loss of appetite or nausea occurs. Not for use by pregnant or nursing women. Not for use by persons under 18. This product may be banned by some athletic associations or federations. Athletes should consult with their sanctioning authority before use. Keep this out of reach of children. To keep it as fresh as possible, store this product in a cool, dry place, away from heat, moisture and sunlight.


Bioperine® is a registered trademark of the Sabinsa Corporation.

CinnulinPF™ is a registered trademark of Integrity Nutraceuticals International.

Shipping Weight

.65 lbs

  • A non-steroid supplement geared specifically for intense workouts

  • Helps maximize lean gains with efficiency and effectiveness

  • Proudly made in the USA

Animal Training Packs are created by and used by those who are dedicated to being the best in class. M-Stak is no different. This non-hormonal anabolic stack helps you give everything you've got 24/7. As a classic hard gainer, you train big and you eat big, but you have little to show for it. Animal M-Stak is a non-steroidal product geared specifically for you. Through its unique set of properties, most notably "nutrient-partitioning," Animal M-Stak helps you maximize your lean gains with greater efficiency and effectiveness. Work hard. Don't gain hard.

  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getReviews, 3ms
  • bvseo-msg: The resource to the URL or file is currently unavailable.;
Swanson Quality Assurance

Why Shop Swanson®?

We know how important your health is to you and your loved ones. That’s why we’re focused on delivering only high quality products you can trust at the best value.

Our lab evaluates every product to make sure it’s compliant with strict standards and government regulations, and we fully believe in and stand behind our products. If you’re dissatisfied for any reason, we’ll give you a full refund and pay return shipping.

Swanson's Standards

We are dedicated to offering the highest quality products at the best price. Find out more about how we ensure such a high standard in everything we do.

Learn More
Customer Service

Easy Refill

  • Get your favorite products delivered automatically
  • 10% off future orders of Swanson brand products in your subscription
  • FREE standard shipping on all future orders over $50
  • Control the frequency, delivery date, item quantity... or cancel at any time
  • Email reminders before each delivery
See all FAQs here