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Stim FX by Genetix Nutrition

4.6
Rated 4.6 out of 5 stars
56 Reviews
write a review
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Nutrition Warehouse Callouts

5 Scoop Guarantee

🚚 We offer a 5 Scoop Return guarantee! You have 30 days to try up to 5 scoops, if you don't like the flavour or performance you can return it.
  • Pre-workout for high intensity training
  • Supports motivation and mental focus
  • Gluten free and cruelty free

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2025 Supplement Award Winner
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    Brand of the Year

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Perform the ultimate session with Stim FX by Genetix Nutrition. This product is a stimulant based to better maximise performance in the gym and let you power through the hardest workouts. Unlock true potential and see better progress with each session. 

The benefits of Stim FX by Genetix Nutrition include:

  • Support body goals
  • Better performance 
  • Motivation to get reps done
  • Support mental capacity and focus
  • The gym ‘mindset’. You’re there and ready to work hard.

Stim FX by Genetix works in many areas to ensure that you are only seeing the best of the best. You’ll no longer feel frustrated that you’re putting in the time and energy and not going anywhere with your program. Instead, you’ll feel empowered. Get Stim FX by Genetix Nutrition and get ready to see your workout performance skyrocket.

When should I take Stim FX?

Stim FX is best taken before exercise. Avoid taking it too close to sleep and test tolerance.

How much caffeine is in Stim Fx by Genetix Nutrition?

There are 250 mg of caffeine anhydrous in Stim Fx per scoop (15g).

Is Stim Fx gluten free?

Yes, Stim Fx is gluten free and no animals have been harmed in the making of this supplement.

Consume 1 serve (1 scoop) with 300ml of water. For best results consume 15 - 30 minutes prior to exercise. Recommended daily consumption - 1 serving.

30 Serves / Sherbet Bomb
NUTRITION INFORMATION Per Serving / Per 100 ml
Energy 158 kJ / 38 Cal / 197.1 kJ / 4.7 Cal
Protein 8.5 g / 1.07 g
Fat - Total <1 g / <1 g
- Saturated <1 g / <1 g
Carbohydrates - Total <1 g / <1 g
- Sugars <1 g / <1 g
Sodium <5 mg / <1 mg
Potassium 42 mg / 5 mg
COMPOSITION
L-Citrulline DL-Malate 6000 mg / 750 mg
Beta Alanine 4000 mg / 500 mg
Taurine 1000 mg / 125 mg
Agmatine Sulphate 1000 mg / 125 mg
Vitamin C (As Ascorbic Acid) 250 mg / 31 mg
Caffeine Anhydrous 250 mg / 31 mg
Bitter Orange (50% Synephrine) 60 mg / 8 mg
Green Tea (Camellia sinensis) 50 mg / 6 mg
Ginkgo Biloba (Ginkgo biloba) 50 mg / 6 mg
Vitamin B3 (Niacinamide) 30 mg / 4 mg

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

30 Serves / Sour Watermelon
NUTRITION INFORMATION Per Serving / Per 100 ml
Energy 158 kJ / 38 Cal / 19.8 kJ / 4.7 Cal
Protein 8.5 g / 1.07 g
Fat - Total <1 g / <1 g
- Saturated <1 g / <1 g
Carbohydrates - Total <1 g / <1 g
- Sugars <1 g / <1 g
Sodium <5 mg / <1 mg
Potassium 44 mg / 5.5 mg
COMPOSITION
L-Citrulline DL-Malate 6000 mg / 750 mg
Beta Alanine 4000 mg / 500 mg
Taurine 1000 mg / 125 mg
Agmatine Sulphate 1000 mg / 125 mg
Vitamin C (As Ascorbic Acid) 250 mg / 31 mg
Caffeine Anhydrous 250 mg / 31 mg
Bitter Orange (50% Synephrine) 60 mg / 8 mg
Green Tea (Camellia sinensis) 50 mg / 6 mg
Ginkgo Biloba (Ginkgo biloba) 50 mg / 6 mg
Vitamin B3 (Niacinamide) 30 mg / 4 mg

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

30 Serves / Energy V2
NUTRITION INFORMATION Per Serving / Per 100 ml
Energy 157 kJ / 38 Cal / 20 kJ / 5 Cal
Protein 8.5 g / 1.1 g
Fat - Total <1 g / <1 g
- Saturated <1 g / <1 g
Carbohydrates - Total <1 g / <1 g
- Sugars <1 g / <1 g
Sodium 142 mg / 18 mg
Potassium 44 mg / 6 mg
COMPOSITION
L-Citrulline DL-Malate 6000 mg / 750 mg
Beta Alanine 4000 mg / 500 mg
Taurine 1000 mg / 125 mg
Agmatine Sulphate 1000 mg / 125 mg
Vitamin C (As Ascorbic Acid) 250 mg / 33 mg
Caffeine Anhydrous 250 mg / 31 mg
Bitter Orange (50% Synephrine) 60 mg / 8 mg
Green Tea (Camellia sinensis) 50 mg / 6 mg
Ginkgo Biloba (Ginkgo biloba) 50 mg / 6 mg
Vitamin B3 (Niacinamide) 30 mg / 4 mg

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

30 Serves / Pineapple Express
NUTRITION INFORMATION Per Serving / Per 100 ml
Energy 159 kJ / 38 Cal / 20 kJ / 5 Cal
Protein 8.5 g / 1.1 g
Fat - Total <1 g / <1 g
- Saturated <1 g / <1 g
Carbohydrates - Total <1 g / <1 g
- Sugars <1 g / <1 g
Sodium <5 mg / <1 mg
Potassium 42 mg / 5 mg
COMPOSITION
L-Citrulline DL-Malate 6000 mg / 750 mg
Beta Alanine 4000 mg / 500 mg
Taurine 1000 mg / 125 mg
Agmatine Sulphate 1000 mg / 125 mg
Vitamin C (As Ascorbic Acid) 250 mg / 31 mg
Caffeine Anhydrous 250 mg / 31 mg
Bitter Orange (50% Synephrine) 60 mg / 8 mg
Green Tea (Camellia sinensis) 50 mg / 6 mg
Ginkgo Biloba (Ginkgo biloba) 50 mg / 6 mg
Vitamin B3 (Niacinamide) 30 mg / 4 mg

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

30 Serves / Strawberry Limeade
NUTRITION INFORMATION Per Serving / Per 100 ml
Energy 158 kJ / 38 Cal / 20 kJ / 5 Cal
Protein 8.5 g / 1.1 g
Fat - Total <1 g / <1 g
- Saturated <1 g / <1 g
Carbohydrates - Total <1 g / <1 g
- Sugars <1 g / <1 g
Sodium <5 mg / <1 mg
Potassium 42 mg / 5 mg
COMPOSITION
L-Citrulline DL-Malate 6000 mg / 750 mg
Beta Alanine 4000 mg / 500 mg
Taurine 1000 mg / 125 mg
Agmatine Sulphate 1000 mg / 125 mg
Vitamin C (As Ascorbic Acid) 250 mg / 31 mg
Caffeine Anhydrous 250 mg / 31 mg
Bitter Orange (50% Synephrine) 60 mg / 8 mg
Green Tea (Camellia sinensis) 50 mg / 6 mg
Ginkgo Biloba (Ginkgo biloba) 50 mg / 6 mg
Vitamin B3 (Niacinamide) 30 mg / 4 mg

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

Warning

This product is not a sole source of nutrition and should be consumed in conjunction with a nutritious diet and an appropriate training or exercise program. Not suitable for children under 15 years of age or pregnant women: Should only be used under medical or dietetic supervision.

Warning

Not suitable for persons under 18 years of age, pregnant, lactating or nursing women. This product is not a sole source of nutrition and should be consumed in conjunction with a nutritious diet and an appropriate training or exercise program. If you are a performance athlete, please check with your sanctioning body prior to use to ensure compliance. Contains caffeine.

Orders placed before 3PM AEST, Monday to Friday (not including Public Holidays), will be shipped the same day! Once your payment clears and despatch information is available we'll email you an order tracking number. Most customers receive their supplements in 1-2 business days! As long as:

  • You order before 3pm (AEST) Mon-Fri
  • You use a payment method with instant clearance, like Paypal Instant Payment or Credit Card
  • Your parcel is less than 5kg in cubic weight. (Some bulky goods will not apply)
  • You are not in a remote location

Please note parcels going via Australia Post (PoBox, Defence Adresses) may take longer than 1-3 business days.

Parcels going to NT, and bulky parcels going to WA may take 5+ business days to arrive.

If your order weighs more than 5kg or is bulky: Heavy or bulky orders are sent via road freight which means that the estimated delivery time will be longer than orders sent via air freight.

If you have used an alternate payment method: Direct bank deposit or Paypal Echeque may take some time to clear. To get your supplements in the shortest time possible, use Paypal's Instant Payment or a credit card.

Shipping Policy
More Information

Perform the ultimate session with Stim FX by Genetix Nutrition. This product is a stimulant based to better maximise performance in the gym and let you power through the hardest workouts. Unlock true potential and see better progress with each session. 

The benefits of Stim FX by Genetix Nutrition include:

  • Support body goals
  • Better performance 
  • Motivation to get reps done
  • Support mental capacity and focus
  • The gym ‘mindset’. You’re there and ready to work hard.

Stim FX by Genetix works in many areas to ensure that you are only seeing the best of the best. You’ll no longer feel frustrated that you’re putting in the time and energy and not going anywhere with your program. Instead, you’ll feel empowered. Get Stim FX by Genetix Nutrition and get ready to see your workout performance skyrocket.

When should I take Stim FX?

Stim FX is best taken before exercise. Avoid taking it too close to sleep and test tolerance.

How much caffeine is in Stim Fx by Genetix Nutrition?

There are 250 mg of caffeine anhydrous in Stim Fx per scoop (15g).

Is Stim Fx gluten free?

Yes, Stim Fx is gluten free and no animals have been harmed in the making of this supplement.

Consume 1 serve (1 scoop) with 300ml of water. For best results consume 15 - 30 minutes prior to exercise. Recommended daily consumption - 1 serving.

30 Serves / Sherbet Bomb
NUTRITION INFORMATION Per Serving / Per 100 ml
Energy 158 kJ / 38 Cal / 197.1 kJ / 4.7 Cal
Protein 8.5 g / 1.07 g
Fat - Total <1 g / <1 g
- Saturated <1 g / <1 g
Carbohydrates - Total <1 g / <1 g
- Sugars <1 g / <1 g
Sodium <5 mg / <1 mg
Potassium 42 mg / 5 mg
COMPOSITION
L-Citrulline DL-Malate 6000 mg / 750 mg
Beta Alanine 4000 mg / 500 mg
Taurine 1000 mg / 125 mg
Agmatine Sulphate 1000 mg / 125 mg
Vitamin C (As Ascorbic Acid) 250 mg / 31 mg
Caffeine Anhydrous 250 mg / 31 mg
Bitter Orange (50% Synephrine) 60 mg / 8 mg
Green Tea (Camellia sinensis) 50 mg / 6 mg
Ginkgo Biloba (Ginkgo biloba) 50 mg / 6 mg
Vitamin B3 (Niacinamide) 30 mg / 4 mg

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

30 Serves / Sour Watermelon
NUTRITION INFORMATION Per Serving / Per 100 ml
Energy 158 kJ / 38 Cal / 19.8 kJ / 4.7 Cal
Protein 8.5 g / 1.07 g
Fat - Total <1 g / <1 g
- Saturated <1 g / <1 g
Carbohydrates - Total <1 g / <1 g
- Sugars <1 g / <1 g
Sodium <5 mg / <1 mg
Potassium 44 mg / 5.5 mg
COMPOSITION
L-Citrulline DL-Malate 6000 mg / 750 mg
Beta Alanine 4000 mg / 500 mg
Taurine 1000 mg / 125 mg
Agmatine Sulphate 1000 mg / 125 mg
Vitamin C (As Ascorbic Acid) 250 mg / 31 mg
Caffeine Anhydrous 250 mg / 31 mg
Bitter Orange (50% Synephrine) 60 mg / 8 mg
Green Tea (Camellia sinensis) 50 mg / 6 mg
Ginkgo Biloba (Ginkgo biloba) 50 mg / 6 mg
Vitamin B3 (Niacinamide) 30 mg / 4 mg

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

30 Serves / Energy V2
NUTRITION INFORMATION Per Serving / Per 100 ml
Energy 157 kJ / 38 Cal / 20 kJ / 5 Cal
Protein 8.5 g / 1.1 g
Fat - Total <1 g / <1 g
- Saturated <1 g / <1 g
Carbohydrates - Total <1 g / <1 g
- Sugars <1 g / <1 g
Sodium 142 mg / 18 mg
Potassium 44 mg / 6 mg
COMPOSITION
L-Citrulline DL-Malate 6000 mg / 750 mg
Beta Alanine 4000 mg / 500 mg
Taurine 1000 mg / 125 mg
Agmatine Sulphate 1000 mg / 125 mg
Vitamin C (As Ascorbic Acid) 250 mg / 33 mg
Caffeine Anhydrous 250 mg / 31 mg
Bitter Orange (50% Synephrine) 60 mg / 8 mg
Green Tea (Camellia sinensis) 50 mg / 6 mg
Ginkgo Biloba (Ginkgo biloba) 50 mg / 6 mg
Vitamin B3 (Niacinamide) 30 mg / 4 mg

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

30 Serves / Pineapple Express
NUTRITION INFORMATION Per Serving / Per 100 ml
Energy 159 kJ / 38 Cal / 20 kJ / 5 Cal
Protein 8.5 g / 1.1 g
Fat - Total <1 g / <1 g
- Saturated <1 g / <1 g
Carbohydrates - Total <1 g / <1 g
- Sugars <1 g / <1 g
Sodium <5 mg / <1 mg
Potassium 42 mg / 5 mg
COMPOSITION
L-Citrulline DL-Malate 6000 mg / 750 mg
Beta Alanine 4000 mg / 500 mg
Taurine 1000 mg / 125 mg
Agmatine Sulphate 1000 mg / 125 mg
Vitamin C (As Ascorbic Acid) 250 mg / 31 mg
Caffeine Anhydrous 250 mg / 31 mg
Bitter Orange (50% Synephrine) 60 mg / 8 mg
Green Tea (Camellia sinensis) 50 mg / 6 mg
Ginkgo Biloba (Ginkgo biloba) 50 mg / 6 mg
Vitamin B3 (Niacinamide) 30 mg / 4 mg

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

30 Serves / Strawberry Limeade
NUTRITION INFORMATION Per Serving / Per 100 ml
Energy 158 kJ / 38 Cal / 20 kJ / 5 Cal
Protein 8.5 g / 1.1 g
Fat - Total <1 g / <1 g
- Saturated <1 g / <1 g
Carbohydrates - Total <1 g / <1 g
- Sugars <1 g / <1 g
Sodium <5 mg / <1 mg
Potassium 42 mg / 5 mg
COMPOSITION
L-Citrulline DL-Malate 6000 mg / 750 mg
Beta Alanine 4000 mg / 500 mg
Taurine 1000 mg / 125 mg
Agmatine Sulphate 1000 mg / 125 mg
Vitamin C (As Ascorbic Acid) 250 mg / 31 mg
Caffeine Anhydrous 250 mg / 31 mg
Bitter Orange (50% Synephrine) 60 mg / 8 mg
Green Tea (Camellia sinensis) 50 mg / 6 mg
Ginkgo Biloba (Ginkgo biloba) 50 mg / 6 mg
Vitamin B3 (Niacinamide) 30 mg / 4 mg

Nutrition information may vary slightly between flavours. For details on a specific flavour, please contact customer service.

Warning

Not suitable for persons under 18 years of age, pregnant, lactating or nursing women. This product is not a sole source of nutrition and should be consumed in conjunction with a nutritious diet and an appropriate training or exercise program. If you are a performance athlete, please check with your sanctioning body prior to use to ensure compliance. Contains caffeine.

Orders placed before 3PM AEST, Monday to Friday (not including Public Holidays), will be shipped the same day! Once your payment clears and despatch information is available we'll email you an order tracking number. Most customers receive their supplements in 1-2 business days! As long as:

  • You order before 3pm (AEST) Mon-Fri
  • You use a payment method with instant clearance, like Paypal Instant Payment or Credit Card
  • Your parcel is less than 5kg in cubic weight. (Some bulky goods will not apply)
  • You are not in a remote location

Please note parcels going via Australia Post (PoBox, Defence Adresses) may take longer than 1-3 business days.

Parcels going to NT, and bulky parcels going to WA may take 5+ business days to arrive.

If your order weighs more than 5kg or is bulky: Heavy or bulky orders are sent via road freight which means that the estimated delivery time will be longer than orders sent via air freight.

If you have used an alternate payment method: Direct bank deposit or Paypal Echeque may take some time to clear. To get your supplements in the shortest time possible, use Paypal's Instant Payment or a credit card.

Shipping Policy
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What Customers Are Saying
Customers say this pre-workout supplement provides excellent energy and focus for workouts, with many noting impressive muscle pumps and sustained endurance. Users appreciate that it works effectively with just one scoop, though many prefer taking half to three-quarters of a serving. The taste receives mixed feedback - some love flavors like pineapple and strawberry lime, while others find it artificial or overly sweet. Many reviews highlight the product's strength, with users reporting no crash after workouts. Common feedback includes improved workout performance and lasting energy. Some mention the tingling sensation from beta alanine. A few users note occasional nausea or find it too strong for their tolerance level.
4.6
Rated 4.6 out of 5 stars
Based on 56 reviews
Total 5 star reviews: 39 Total 4 star reviews: 15 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 1
TasteRated 4.2 on a scale of 1 to 5
EnergyRated 0.7 on a scale of minus 2 to 2
FocusRated 4.0 on a scale of 1 to 5
CrashRated 2.2 on a scale of 1 to 5
96%would recommend this product
Rating
Ratings
Write a Review (Opens in a new window)
56 reviews
  • AT
    Arthur T.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    7 minutes ago
    Shops

    Excellent product . Awesome variety of flavours too

    TasteRated 5.0 on a scale of 1 to 5
    EnergyRated 0.0 on a scale of minus 2 to 2
    FocusRated 5.0 on a scale of 1 to 5
    CrashRated 2.0 on a scale of 1 to 5
    Was this helpful?
  • JM
    Jacob M.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    3 days ago
    Hectic

    I enjoy

    TasteRated 5.0 on a scale of 1 to 5
    EnergyRated 1.0 on a scale of minus 2 to 2
    FocusRated 3.0 on a scale of 1 to 5
    CrashRated 1.0 on a scale of 1 to 5
    Was this helpful?
    NW Profile picture for Nutrition Warehouse
    Nutrition Warehouse
    3 days ago

    Thanks Jacob! 🙌 So stoked you're loving your Stim FX - that 5-star rating is hectic! 💪✨

  • RD
    Richard D.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5 stars
    1 week ago
    Stim FX

    Consistent and positive results

    TasteRated 4.0 on a scale of 1 to 5
    EnergyRated 0.0 on a scale of minus 2 to 2
    FocusRated 3.0 on a scale of 1 to 5
    CrashRated 2.0 on a scale of 1 to 5
    Was this helpful?
    NW Profile picture for Nutrition Warehouse
    Nutrition Warehouse
    1 week ago

    Thanks Richard! 🙌 Love hearing about those consistent positive results with Stim FX! That solid 4-star rating means the world to us 💪✨

  • OK
    Oran K.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    3 weeks ago
    Good stimulant

    Flavour is very artificial tasting so its not a very pleasant experience. The slow release enery ia very pleasant and the energy and stimulant levels are perfect

    TasteRated 3.0 on a scale of 1 to 5
    EnergyRated 0.0 on a scale of minus 2 to 2
    FocusRated 4.0 on a scale of 1 to 5
    CrashRated 2.0 on a scale of 1 to 5
    Was this helpful?
    NW Profile picture for Nutrition Warehouse
    Nutrition Warehouse
    1 week ago

    Thanks Oran! 🙌 So glad you're loving the energy and stimulant levels from Stim FX! That slow release energy is perfect for crushing workouts 💪✨

  • CL
    Christopher L.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5 stars
    3 weeks ago
    Stim fx

    Excellent product. Been through a fair few pre workouts and stim fx is the perfect product for me to get that session done

    TasteRated 4.0 on a scale of 1 to 5
    EnergyRated 1.0 on a scale of minus 2 to 2
    FocusRated 4.0 on a scale of 1 to 5
    CrashRated 2.0 on a scale of 1 to 5
    Was this helpful?
    NW Profile picture for Nutrition Warehouse
    Nutrition Warehouse
    1 week ago

    Thanks Christopher! 🙌 So good to hear Stim FX is the perfect fit for you after trying so many others! 💪✨

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