Grenade .50 Calibre
by Grenade
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Grenade .50 Calibre is a caffeine-forward pre-workout from one of the UK's most recognisable sports nutrition brands, delivering 200mg of caffeine alongside L-tyrosine, citrulline malate, beta-alanine, and taurine. Best for Experienced stimulant users comfortable with high-caffeine pre-workouts and Competitive athletes who require Informed Sport certification.
According to the AIScored 0–100 scoring system, Grenade .50 Calibre by Grenade scores 52.0/100, ranking #20 out of 20 products in Pre-Workout & Performance (2026). Strongest category: Certifications (83.0/100). Weakest: Side Effects (32.0/100).
Is Grenade .50 Calibre worth buying?
“Grenade .50 Calibre packs 200mg of caffeine with proper batch-testing for competitive athletes, which explains its solid 52/100 score—strong on the stimulant side but nothing revolutionary for the price. The 1g of L-tyrosine is genuinely useful for mental clarity during intense training, making it a practical choice if you're after no-nonsense energy rather than a comprehensive formula.”
What Do Reviewers Say About Grenade .50 Calibre?
Sample excerpts from currently available source material used in this product analysis.
"Grenade 50 Cal is intense! Massive energy boost and focus. However, the crash afterwards is brutal - feel completely drained. Also super expensive per serving and tastes like liquid chalk. The beta-alanine tingles are overwhelming too."
"Way too strong for me. Half scoop still caused jitters, rapid heartbeat, and nausea. The taste is horrendous despite fancy flavoring. Expensive for questionable results. Crashed hard 3 hours later. Prefer milder pre-workouts with predictabl..."
"Relax gummies. These are really good they do what they say , good to take a few hours before you go to bed. Will buy again"
"Relax Gummies by Vita well.. I’m new to Holland & Barrett but so far it’s been good value,good product,everything so far seems good but I haven’t been using them long enough to evaluate their effectiveness yet."
"so tasty. again tried other online stores,,didnt do anything im hoping these will and they are so yummy too,no vile aftertaste.and they are actually chewable"
How does Grenade .50 Calibre score?
Detailed score breakdown and key findings from our analysis of 11 reviews across 3 sources.
Pros
- +Strong, fast-acting energy and mental focus from 200mg caffeine anhydrous
- +Informed Sport batch-tested — important for competitive athletes subject to doping controls
- +L-Tyrosine at 1g is a well-dosed cognitive support ingredient for focus under stress
- +Taurine (1g) helps moderate some overstimulation and supports hydration
- +Vegan-friendly, free from gluten, dairy, and soya — suitable for a wide range of users
Cons
- -Citrulline malate (4g) and beta-alanine (2g) are both below clinically effective thresholds, limiting pump and endurance benefits
- -Multiple reviewers report intense side effects: jitters, rapid heartbeat, nausea, and a hard energy crash 2–3 hours post-session
- -Taste described as unpleasant ('liquid chalk') across independent reviews despite flavouring
- -Expensive per serving relative to competitors offering fuller clinical dosing
Best For
Watch Out
- !Not suitable for caffeine-sensitive individuals — half a scoop still caused adverse reactions in some reviewers
- !Pronounced energy crash reported 2–3 hours after dosing
- !Beta-alanine tingling (paresthesia) may be uncomfortable or alarming to first-time users
- !Avoid combining with other caffeine sources (coffee, energy drinks) given the stimulant load
- !Underdosed pump and endurance ingredients relative to competitors at a similar price
What is Grenade .50 Calibre?
Grenade .50 Calibre is a pre-workout & performance product by Grenade in powder form, scoring 52.0/100 on AIScored.
- • Grenade .50 Calibre is a high-stimulant pre-workout from UK brand Grenade, recognisable for its distinctive grenade-shaped packaging.
- • Each serving delivers 200 mg of caffeine alongside citrulline, beta-alanine, and electrolytes, combining familiar pre-workout staples into a single scoop.
- • It is aimed at gym-goers who want a noticeable boost in energy and focus before training.
- • With strong brand recognition across UK retail, .50 Calibre is one of the most widely available pre-workout products on the high street.
What's Inside Grenade .50 Calibre?
Grenade .50 Calibre contains 8 active ingredients: Citrulline Malate, Beta-Alanine, Caffeine Anhydrous, L-Tyrosine and more.
Active Ingredients
- Citrulline Malate
- 4g
- Beta-Alanine
- 2g
- Caffeine Anhydrous
- 200mg
- L-Tyrosine
- 1g
- Taurine
- 1g
- Coconut Water Powder
- 500mg
- Vitamin B6
- 1.4mg
- Vitamin B12
- 2.5mcg
Other Ingredients
Citric acid, Natural and artificial flavouring, Sucralose, Silicon dioxide, Beetroot powder (colour)
Clean Label Analysis
Fairly standard formulation with sucralose and artificial flavouring. Citrulline at 4g and beta-alanine at 2g are both below clinical doses. The inclusion of coconut water powder for electrolytes is a nice touch but at 500mg the dose is largely symbolic.
Is Grenade .50 Calibre Independently Tested?
Third-Party Tested
This product has been independently tested by third-party laboratories for purity, potency, and safety.
Certifications
Additional Specifications
- Caffeine Per Serving
- 200mg
How We Score Supplements
Our methodology analyses review data, ingredient science, and product information, then scores each product on a 0-100 scale across evidence-based categories:
Effectiveness
How well the product delivers its claimed benefits, based on reviews and ingredient evidence.
Ingredient Quality
Bioavailable forms, clinically effective dosages, clean label, minimal fillers.
Value for Money
Price relative to ingredient quality, dosage count, and effectiveness.
Side Effects Profile
Higher score = fewer side effects. 100 means virtually no adverse reactions reported.
Certifications & Testing
Third-party lab testing, GMP certification, and independent quality verification.
Overall Score
Weighted combination of all factors. Our bottom-line recommendation.
How Does Grenade .50 Calibre Compare?
See how this product stacks up against the top-rated pre-workout & performance in our database.
| Product | Score | Price |
|---|---|---|
| Grenade .50 Calibre (this) | 52.0 | £34.99 |
| ABE Pump Pre Workout Powder Blue... | 79.0 | £32.29 |
| ABE Pump Pre Workout Powder Red ... | 74.0 | £31.99 |
Price History (90 days)
Quick Facts
- Form
- Powder
- Dose
- 1 scoop (11.7g)
- Serving
- 1 scoop (11.7g)
- Servings
- 50
- Vegan
- Yes
- Made in
- UK
Frequently Asked Questions
Is Grenade .50 Calibre worth buying in 2026? ▼
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What are the pros and cons of Grenade .50 Calibre? ▼
Is Grenade .50 Calibre third-party tested? ▼
How does Grenade .50 Calibre compare to ABE Pump Pre Workout Powder Blue Razz 500g? ▼
Disclaimer: AIScored provides research-backed summaries based on publicly available reviews and product information. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Affiliate links may earn us a commission at no extra cost to you.
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