







HR Labs - Defib V4
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⚡ HR Labs Defib V4
Advanced Pre-Workout Catalyst for Pump, Focus & Training Drive 🚀
HR Labs Defib V4 is the revised version of the popular Defib Pre-Workout – developed for athletes who don't do things by halves in training.
The new V4 formula combines high-dose amino acids, caffeine, modern branded raw materials, and a strong pump & focus matrix in a transparent pre-workout without hidden proprietary blends.
👉 Made for Progress. Made for Athletes. Made for tough sessions.
🔥 What's new with Defib V4?
Defib V4 has been rebuilt compared to the previous version and now relies on an even clearer combination of:
💪 Pump Components
⚡ High-Stim Energy Matrix
🧠 Focus Ingredients
🌿 Plant Extracts & Branded Raw Materials
📊 Fully Disclosed Dosage
The formula delivers an intense combination of 8g Citrulline Malate, 3.2g Beta-Alanine, 2.5g Betaine, 1.5g Taurine, 1g Acetyl-L-Carnitine, and 400mg Caffeine per full serving of 21g.
🧬 The Formula in Detail
💥 Pump & Training Sensation
L-Citrulline Malate 2:1 – 8000 mg
A classic in modern pre-workouts and particularly popular with athletes who value an intense training sensation.
Betaine Anhydrous – 2500 mg
A highly dosed component often used in performance-oriented training formulas.
Taurine – 1500 mg
Taurine is a popular ingredient in sports and pre-workout products.
PeptiPump™ – 500 mg
A modern branded raw material based on lentil protein hydrolysate, developed for innovative pump formulations.
⚡ Energy & Pre-Workout Drive
Caffeine Anhydrous – 400 mg
Caffeine contributes to increasing alertness and concentration.
With 400 mg per full serving, Defib V4 is clearly a High-Stim Booster and particularly suitable for experienced users.
⚠️ Do not use late in the evening if you are sensitive to caffeine.
🧠 Focus & Mind-Muscle Connection
Citicoline – 500 mg
A high-quality focus ingredient often used in modern nootropic and pre-workout formulas.
Acetyl-L-Carnitine – 1000 mg
A popular component in performance and focus stacks.
Sabroxy® – 150 mg
A patented plant extract from Oroxylum indicum, which clearly sets Defib V4 apart from standard boosters.
SalidroPure™ – 30 mg
A standardized salidroside raw material used in high-quality focus and performance products.
AstraGin® – 30 mg
A combination of Astragalus and Panax Notoginseng extracts to round off the formula.
📊 Ingredients per Serving
| Ingredient | Per 21g Serving | Per 10.5g Serving |
|---|---|---|
| L-Citrulline Malate 2:1 | 8000 mg | 4000 mg |
| Beta-Alanine | 3200 mg | 1600 mg |
| Betaine Anhydrous | 2500 mg | 1250 mg |
| Taurine | 1500 mg | 750 mg |
| Acetyl-L-Carnitine | 1000 mg | 500 mg |
| Juniper Berry Extract | 500 mg | 250 mg |
| Citicoline | 500 mg | 250 mg |
| PeptiPump™ | 500 mg | 250 mg |
| Caffeine Anhydrous | 400 mg | 200 mg |
| Sabroxy® | 150 mg | 75 mg |
| SalidroPure™ | 30 mg | 15 mg |
| AstraGin® | 30 mg | 15 mg |
🏋️ Who is HR Labs Defib V4 suitable for?
Defib V4 is ideal for:
✔ Bodybuilders & Strength Athletes
✔ Experienced Booster Users
✔ Athletes focused on intense workouts
✔ Hyrox, Functional, and Fitness Athletes
✔ Anyone looking for a transparently dosed high-stim pre-workout
👉 Due to the high caffeine content, Defib V4 is particularly suitable for users who already have experience with stimulating pre-workouts.
🥤 Application
1 Scoop / 10.5g: moderate serving
2 Scoops / 21g: full serving
Mix with approx. 250–350 ml of water and drink approx. 20–30 minutes before training.
⚠️ Do not exceed the recommended daily serving. Not suitable for children, pregnant or breastfeeding women. Contains caffeine.
🍬 Flavors
Defib V4 comes in strong, modern flavors:
🍒 Cherryade
🥤 Fizzy Cola Bottles
🍓 Fruit Punch
📊 Comparison: HR Labs Defib V4 vs. typical Pre-Workouts
| Category | HR Labs Defib V4 | Standard Pre-Workout | Budget Booster | Pump-only Booster |
|---|---|---|---|---|
| Transparent Dosage | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐ | ⭐⭐⭐⭐ |
| Caffeine Intensity | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐⭐ | ❌ |
| Pump Matrix | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐ | ⭐⭐⭐⭐⭐ |
| Focus Ingredients | ⭐⭐⭐⭐⭐ | ⭐⭐ | ⭐ | ⭐ |
| Branded Raw Materials | ⭐⭐⭐⭐⭐ | ⭐⭐ | ⭐ | ⭐⭐ |
| Overall Rating | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐ | ⭐⭐⭐ |
👉 Defib V4 is not a standard booster – it is a high-stim pre-workout for athletes looking for a strong, transparent formula.
🏆 Performance Store Conclusion
HR Labs Defib V4 is an uncompromising pre-workout booster for anyone seeking an intense training experience.
🔥 strong pump base
⚡ high caffeine content
🧠 modern focus ingredients
📊 transparent dosage
💪 developed for ambitious athletes
In short:
Defib V4 is made for progress – not for excuses.
⚠️ Legal Notice
Food supplements are not a substitute for a balanced and varied diet and a healthy lifestyle.
For individual ingredients, there are no approved health claims according to EU regulation, unless expressly stated.
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