This site has limited support for your browser. We recommend switching to Edge, Chrome, Safari, or Firefox.
Congratulations! Your order qualifies for free shipping You are $99 away from Free shipping (USA)

Cart 0

Congratulations! Your order qualifies for free shipping You are $99 away from free shipping.
No more products available for purchase

Subtotal Free
Shipping, taxes, and discount codes are calculated at checkout
4.8/5 from 42 Reviews

Muscle Gain Stack

$116.97 $129.97
10% OFF

Contains three supplements that are specifically geared toward maximizing muscle hypertrophy, strength gain and lifting performance.

Build muscle and gain strength more efficiently
Train harder and recover faster between sessions
Research-backed ingredients only, no fluff or fillers
Full clinical dosages for maximum benefits
SELECT FLAVORS
ISO-M7 Chocolate
Chocolate Chocolate
Strawberry Banana Strawberry Banana
Cookies & Cream Cookies & Cream
Vanilla Vanilla
PUREFORM Strawberry Lemonade
Strawberry Lemonade Strawberry Lemonade
Grape Candy Grape Candy
Sour Cherry Sour Cherry
Tropical Punch Tropical Punch
CRE-ELITE Tangerine
Tangerine Tangerine
Strawberry Kiwi Strawberry Kiwi
Blue Raspberry Blue Raspberry
SELECT FREQUENCY

  • Save 10% off each order
  • Skip, delay, reschedule, or cancel any time
  • Order reminders before each shipment
DELIVERY EVERY
30 days Save 10% Off
60 days Save 10% Off

Subscribe For Your FREE Starter Kit

*$27.99* FREE
MICROCORE MULTIVITAMIN
*$29.99* FREE
1 MONTH TRAINWISE
*$14.99* FREE
SHAKER
BOTTLE
*9.99* FREE
FREE US SHIPPING
3 Months 100% Satisfaction Guarantee If you're not satisfied with your purchase, we'll refund you with no return required.
+$90 VALUE

Subscribe For Your FREE Starter Kit

Your stack has everything you need to build muscle. Plus a few extras on us when you subscribe.

Automatically applied, no codes needed.

Full Details

10% OFF YOUR SUBSCRIPTION

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.

SAVE $11.70MGS2_Icon.png__PID:007690b3-566c-4e53-9739-34495069b687

FREE MICROCORE MULTIVITAMIN

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.

$27.99 FREEMC_Icon.png__PID:ab6ddfb0-e85c-43c2-a6b1-ab76319342dc

1 MONTH FREE TRAINWISE

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.

$29.99 FREETW2_Icon.png__PID:2d24dd6c-9ad4-4d3e-bea6-bd99c6ae1d3b

FREE SHAKER
BOTTLE

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.

$14.99 FREESKR_Icon.png__PID:926d9088-ce2d-4fae-bc46-f364e996873f

FREE 
US SHIPPING

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.

$9.99 FREESHIP_Icon.png__PID:30011165-e985-49e7-be57-49d9ae7ee175
RSA_Insta_01 copy.jpg__PID:55523588-d33b-451e-bcd2-2db02c6e3850

Everything You Need To Build Muscle Efficiently

Train harder, lift heavier, and recover faster with three supplements proven to maximize muscle growth and strength.

Everything You Need To Build Muscle Efficiently

Train harder, lift heavier, and recover faster with three supplements proven to maximize muscle growth and strength. 

Superior Muscle Growth

100% whey protein isolate and pure creatine monohydrate to support muscular performance and recovery between sessions.

Better Training Performance

Citrulline and tyrosine for focus and endurance, plus caffeine and L-theanine for clean, sustained energy. Lift heavier and push harder every workout.

Faster Strength Gains

Betaine anhydrous increases muscle cell hydration and power output, helping you progress session after session.

Accelerated Recovery

L-carnitine reduces post-workout muscle damage and soreness for quicker turnaround between workouts.

Inside The Stack

RSA Tick Green.png__PID:7026f318-3e59-498b-bb70-ced35f942f2f

Research-proven ingredients

RSA Tick Green.png__PID:7026f318-3e59-498b-bb70-ced35f942f2f

Full clinical dosages

RSA Tick Green.png__PID:7026f318-3e59-498b-bb70-ced35f942f2f

100% label transparency

RSA Cross Red.png__PID:6d1127d5-1412-4204-8382-26c7b06453d4

No junk fillers

RSA Cross Red.png__PID:6d1127d5-1412-4204-8382-26c7b06453d4

No proprietary blends

RSA Cross Red.png__PID:6d1127d5-1412-4204-8382-26c7b06453d4

No overpriced gimmicks

Inside the Muscle Gain Stack:

ISO-M7™

100% Whey Protein Isolate

Pure grass-fed whey isolate with complete amino acid profile to fuel muscle growth and recovery. Helps you easily hit your daily protein needs. Naturally sweetened, 99% lactose-free, easy to digest.

ISO_Icon.png__PID:1a4e9912-6a88-47b0-b81c-ef22ab6ddfb0

PUREFORM™

Science-Backed Pre-Workout

Clean, high quality blend of research-backed pre-workout ingredients (L-citrulline, malic acid, tyrosine, caffeine, L-theanine) to maximize muscular strength, energy and mental focus during workouts. Get more out of every session and progress faster.

PF_Icon.png__PID:319342dc-b249-4701-8663-82a4ee3d0570

CRE-ELITE™

Muscle Growth & Recovery Formula

Clinically dosed combination of creatine monohydrate (ultra-purified 200 mesh form), betaine, and L-carnitine. Increases strength and power output while speeding recovery.

CRE_Icon.png__PID:ee3d0570-2073-47eb-ac51-b016a8f608ae

Inside the Muscle Gain Stack:

ISO-M7™

100% Whey Protein Isolate

Pure grass-fed whey isolate with complete amino acid profile to fuel muscle growth and recovery. Helps you easily hit your daily protein needs. Naturally sweetened, 99% lactose-free, easy to digest.

ISO_Icon.png__PID:1a4e9912-6a88-47b0-b81c-ef22ab6ddfb0

PUREFORM™

Science-Backed Pre-Workout

Clean, high quality blend of research-backed pre-workout ingredients (L-citrulline, malic acid, tyrosine, caffeine, L-theanine) to maximize muscular strength, energy and mental focus during workouts. Get more out of every session and progress faster.

PF_Icon.png__PID:319342dc-b249-4701-8663-82a4ee3d0570

CRE-ELITE™

Muscle Growth & Recovery Formula

Clinically dosed combination of creatine monohydrate (ultra-purified 200 mesh form), betaine, and L-carnitine. Increases strength and power output while speeding recovery.

CRE_Icon.png__PID:ee3d0570-2073-47eb-ac51-b016a8f608ae

Verified Customer Reviews

4.8
Rated 4.8 out of 5 stars
Based on 42 reviews
Total 5 star reviews: 38 Total 4 star reviews: 2 Total 3 star reviews: 1 Total 2 star reviews: 1 Total 1 star reviews: 0
42 reviews
  • Greg C.
    Verified Buyer
    Rated 5 out of 5 stars
    15 hours ago
    Great product

    The muscle gain stack, each item has a good taste and mixes easily. For me it has been a great complement to my training routine.

  • Derontez L.
    Verified Buyer
    Rated 5 out of 5 stars
    15 hours ago
    Great product

    I use it everyday and all the products taste good too.

  • Dan B.
    Verified Buyer
    Rated 5 out of 5 stars
    3 months ago
    Satisfied

    Everything in the stack tastes amazing. Definitely worth it!

  • Jordan W.
    Verified Buyer
    Rated 5 out of 5 stars
    4 months ago
    The only fundermentals I only need.

    These are the only supplements I need, and they are a good price with a three-in-one order.

  • Jesse K.
    Verified Buyer
    Rated 5 out of 5 stars
    6 months ago
    Legit Stack

    I've had a lot of supplement brands over the years and the muscle stack has to be my favorite by far. My recovery is so much better since I've started taking this stack. I highly recommend.

Circular emblem with 'MONEY BACK GUARANTEE' text encircling large number '3' and 'MONTHS' text inside, stars adorn the circle, representing a money-back guarantee

3 Month 100% Satisfaction Guarantee

Your results come first. If you're not satisfied with a RealScience Athletics supplement, we'll refund your purchase with no return required. You can keep the product and we part as friends. Read more here.

FDA Inspected icon featuring a star emblem inside a badge with ribbons, signifying FDA inspection and manufacturer certification, clean white line art on red

FDA
Inspected
Manufacturer

Microscope icon, a white line drawing symbolizing scientific research, used to represent full clinical dosages, sleek modern style, precision instrument depiction for pharmaceutical

Research
Proven
Ingredients

Pills icon, three white pills with capsule shapes, symbolizing flavor and worth craving in supplements, simple and clean pharmaceutical representation on a red backdrop

Full
Clinical 
Dosages