About HR Labs – Defib Advanced Pre Workout Catalyst, Fizzy Bubble Gum – 440g
HR Labs Defib V3 Advanced Pre Workout Catalyst is a seriously dosed pre-workout powder engineered for experienced, dedicated trainers who demand more from their sessions. Combining a carefully selected stack of well-researched active ingredients — including Citrulline Malate 2:1, Beta Alanine, Betaine Anhydrous, and Caffeine Anhydrous — Defib V3 is built to support your performance goals with no compromises on ingredient quality or transparency.
Each serving delivers 200mg of caffeine alongside a comprehensive blend of supporting compounds such as Taurine, Acetyl-L-Carnitine, Citicoline, and the trademarked ingredients PeptiPump™, Sabroxy®, SalidroPure™, and AstraGin®. Full active ingredient dosages at optimal two-scoop use are available via the HR Labs formula breakdown page, reflecting the brand’s commitment to openness and scientific integrity.
Available in Fizzy Bubble Gum flavour, the 440g tub provides approximately 40 servings at one scoop or 20 servings at two scoops — giving you the flexibility to tailor intake to your individual tolerance and training demands. Simply mix with water and take 20–30 minutes before training to help you prepare for the session ahead.
Nutrition Facts
| Nutrient | Per serving (1 scoop / 10.5g) |
|---|---|
| Bílkovina | 0.8g |
| Carbohydrates | 2.6g |
| Fat | 0.1g |
| Salt | 0.7g |
| Kofein | 200mg |
Nutritional values may vary slightly between flavours. Full per-serving supplement facts (active ingredient dosages) are available at hr-labs.co.uk/pages/defib-formula-breakdown.
Ingredients
Citrulline Malate 2:1, Beta Alanine, Betaine Anhydrous (Trimethylglycine), Taurine, Sodium Bicarbonate, Acetyl-L-Carnitine, Flavouring, Anti-Caking Agent (Silicon Dioxide), Acidity Regulator (Citric Acid), Juniper Berry Extract, Citicoline (cytidine 5′ diphosphocholine), PeptiPump™ (Lentil [Lens Culinaris] Protein Hydrolysate), Caffeine Anhydrous, Sweetener (Sucralose), Sabroxy® (Oroxylum Indicum), SalidroPure™ (Salidroside), AstraGin® (Astragalus Membranaceus Root and Panax Notoginseng Root).
Usage & Dosage
Defib V3 is a highly dosed, research driven pre-workout formulated for advanced trainers. Please consider your own tolerance levels prior to use. We recommend taking one scoop (10.5g) mixed with 250–350ml of water 20–30 minutes prior to training. Advanced users may benefit from taking two scoops (21g) in the same way. Optimal dosages of active ingredients attained at two scoops. Do not exceed more than 2 servings in any 24hr period. Do not use within 5hrs of intended sleep.
Warnings
Food supplements should not be used as a substitute for a varied, balanced diet. Not recommended for use by anyone under 18 years of age. Consult your doctor prior to use if you are taking any medication or suffer from any pre-existing medical conditions. High caffeine content (200mg per serving at 1 scoop). Not suitable for children or pregnant or breastfeeding women.
Allergen Information
Manufactured in a facility that also handles Cereals including Gluten, Egg, Soya and Milk. Contains Lentil (Lens Culinaris) protein hydrolysate (PeptiPump™). Suitable for Vegetarians, Halal Certified.
Storage
Store in a cool, dry place, away from direct sunlight and moisture, with the lid tightly sealed.
Dietary Information
- Suitable for Vegetarians






