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IFBB Pro Gary Wrights Mass Stack 3.5

$379.85 $299.95

This Is The NEW MASS Stack 3.5!

In 2018 we turned the Australian supplement industry on it's head ... with a suit of legitimately dosed, high quality sarm based products that delivered exceptional RESULTS.

Read About IFBB Pro Gary Wrights Experience With The Original Mass Stack Here >>

Also in 2018 the authorities cracked down hard on the supplement industry ... and now mainstream sarms are scheduled (prescription only) and we we're forced to comply with the new changes ...

But that didn't stop us from re-formulating our products with compliant compounds.

In 2021, Our NEW Mass Stack is made up of 3x Products designed for adding mass to your physique alongside a calorie surplus diet and muscle development training program.

1). Pro-Follistatin - Myostatin Modulator

  • Opens the 'gateway' for anabolic growth & cell division.
  • May reduce myostatin by up to 60%
  • Necessary for normal protein synthesis.
  • Contributes to normal physiological function.


Pro-Follistatin Directions & Ingredients:
(Capsule colour may vary)

60x Caps - 2x Caps per day, 1x Month Supply.
Normal Purchase Price = $99.95

Pro-Follistatin Ingredients


2).  Growth Switch 2.5 Plus - Growth Release

  • Contributes to normal energy production.
  • Necessary for normal energy metabolism.
  • Contributes to normal mental performance.
  • Contributes to cell protection of free radicals.
  • Necessary for tissue building & repair.

Growth Switch 2.0  Directions & Ingredients:
(Capsule colour may vary)

60x Caps - 1-2 Caps per day, (Supply will vary depending on dosing).
Normal Purchase Price = $139.95

Growth Switch 2.0 Ingredients

GROWTH SWITCH WARNING: After 30-60 Minutes Of Consumption, May Cause A Rapid Release Of Insulin And An Increased Appetite Response. If you experience an extremely high-temperature spike, sweating, 'cloudy' thoughts, blurred vision and light-headed or dizziness (Symptoms of Hypoglycemia), you MUST consume high carb/calorie food(s) or drink a high carbohydrate (sugar) beverage(s) within 5-15 minutes of first noticing the effects. 

Regular consumption of food (every 2-4hrs) throughout the day is strongly advised & recommended.  

3). Pyranobolin - Size & Strength

  • Contains NEW ARTA (Androgen Receptor Modulator) DPB500!
  • Contributes to the normal production of thyroid hormones.
  • Contributes to the maintenance of normal testosterone levels in the blood.
  • Contributes to normal synthesis and metabolism of steroid hormones and some neurotransmitters.
  • Necessary for tissue building & repair.

Pyranobolin Directions & Ingredients:
(Capsule colour may vary)

60x Caps - 1-2 Caps per day, (Supply will vary depending on dosing).
Normal Purchase Price = $99.95

Pyranobolin Ingredients


Regular Price Of 'The Mass Stack' = $339.85
Your Special Today ONLY $299.95!

Grab Your Mass Stack TODAY And Start Adding MASS...

BIGBoyz Mass Stack Reviews

Mass Stack Best use:

For MASS, use in conjunction with a high calorie diet and heavy progressive overload style of weight training.

Recommended Cycle(s): 1-3x Months On, 1x Month Off.
Post Cycle Therapy (PCT): Not necessary.

Mass Stack Warnings:

Not for children 15 years and under or pregnant/breastfeeding mothers. Should not be used as a sole source of nutrition or used with any other medication. Use in conjunction with a suitable diet & exercise program and consume with adequate water.


$379.85 $299.95

Out of stock

FREE Express Shipping For All Orders Over $99, Inc. Tracking & Signature On Delivery.
All Prices are in AUD, Shipping Australia & NZ ONLY.

Product Reviews

Customer Reviews

Based on 52 reviews
Harold Duncombe

The are working really well

Gabriel O'Brien
Amazing products

Amazing products hands down, gained 5.6kg in just 4 weeks 👏 would highly recommend. And the boyz giving amazing service and loyalty to there customers unlike any other supplement company 👏 100% recommended

Fanny Hearne
Great product highly recommended

Used the mass stack great product highly recommended great service and fast delivery worked well for what I was after thanks fellas

Mass stack 2.0

Have only been on it for two weeks but have noticed a heavy increase in appetite and have gained a few kgs as a consequence haha strength is rising will continue to monitor as weeks progress but very happy so far

Jesse Rodman

Very happy with all products

FREE Express Shipping!

FREE Express* Shipping Australia Wide, For All Orders Over $80 Including Free Tracking & Signature On Delivery. You'll Also Receive Email & FB Messenger Updates Until Your Package Is Delivered.

COVID Delay Update(s): Our shipping days have been (temp) reduced to Mon, Wed & Fridays.

If you order Before 1pm Mon, Wed, Fri, your order is dispatched that day Express* (Inside the Auspost Network). If you order After 1pm Mon, Wed, Fri, orders are dispatched the next Mon, Wed or Friday after Express* (Inside the Auspost Network).

* Pending any Auspost delays. For any delivery issues, please contact Auspost (13 76 78) along with your tracking number before contacting us. If they cant help you, visit our Customer Support Center Customer Support Center ... and we'll help out, no probs ;)