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Killer Labz Stim Reaper Black

Regular price R 599.00
Regular price Sale price R 599.00
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FREE* Nationwide Delivery

HealthTwin Supplements & Vitamins will deliver your order to your home or office at most locations within the Republic of South Africa. *Orders over R1000 are delivered for FREE.

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For further convenience to our customers, HealthTwin Supplements & Vitamins also provides a “click and collect” service, which allows the user/customer to order and pay for product(s) online and allow for personal pick-up of the product(s) at the HealthTwin Supplements & Vitamins retail store in Centurion Lifestyle Centre.

Loyalty Programme

Our Loyalty Programme -HealthTwin Scoops - rewards you for every purchase you make through our online store!

For every R1.00 you spend online, you will earn 1Scoop(Scoops are Loyalty Points) and when you accumulate enough Scoops in your account, you can convert them into discount codes to put towards future purchases!

For more information, click here.

Ask A Question

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Are you ready to experience the ultimate killer gym session? Stim Reaper by Killer Labz is a high stimulant pre-workout designed to those people looking for a punch of energy when they hit the gym. The powerful combination of ingredients will give you the power to push through the most gruelling workouts. 

Stim Reaper is a hardcore pre-workout scientifically crafted to support extreme energy and focus when you need the most. It contains a whopping 400mg of caffeine per serve, which will help you to ignite the fire inside of you to smash through your session.

When you have Stim Reaper by Killer Labz, you will:
  • Support energy requirements. If you are struggling to get to the gym after a big day, taking a pre-workout may help you give that push to smash it out.
  • Support calorie processing. When you have plenty of energy, you will push through your limits for better results.
  • Improve your body composition goals. When you combine this product with the right diet and exercise plan tailored to your goals, you will see better results. 
  • Support endurance and stamina so you can get through the hardest workouts each and every time.


  • Extreme energy and focus
  • Long-lasting euphoria
  • Increased endurance and stamina
  • Greater fatigue resistance
  • Increased cell volumization and muscle fullness
  • Added fat burning

    Recommended Usage

    • Asses tolerance by consuming ½ of a scoop in 4-6 ounces of water 30 minutes’ pre-workout. After assessing tolerance consume 1 full scoop in 8-10 ounces of water 30 minutes’ pre-workout. Do not exceed more than 1 full serving per day.


    Consult your health care professional prior to use. Use this product as a food supplement only. Keep out of reach of children, not intended for individuals under the age of 18.

    Nutritional Facts