PRO
Kyle Raison
PCA Pro
30 Servings | Natural Muscle Builder
"I am finding that it genuinely helps with my recovery, lean muscle building and overall body fat management. I can feel the additional strength and see the volume effect."
Boosts muscle strength and power
PeptiStrong® was shown in two clinical published studies to improve power output by up to 130%(2) and increase performance by up to 54%(1)
Train more, recover faster
PeptiStrong® was shown to increase strength recovery by 47%(1,2), reduce muscle soreness and return to higher than baseline strength levels after fatigue
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for Next Day Delivery
£39.99
PEPTIDE: POWERED BY PEPTISTRONG®
Efectiv Peptide is a daily PeptiStrong® supplement featuring 2400mg of AI-discovered PeptiStrong®, a patented peptide complex made from hydrolysed fava bean protein, combined with 75µg vegan Vitamin D3 from lichen.
Designed for hybrid athletes, functional fitness training, HYROX-style preparation and serious daily routines, Efectiv Peptide gives you a simple capsule format for adding PeptiStrong® to your nutrition stack.
Increases MPS
Increases Power Output
Supports Muscle Function
Contributes To Normal Bones
PeptiStrong®
2400mg
Vitamin D3
3000IU
Detailed Breakdown
| Nutrient | 4 Capsules |
|---|---|
| PeptiStrong® (Peptides from hydrolyzed fava bean protein) | 2400mg |
| Vitamin D3 (from lichen) | 3000IU |
Ingredients
Hydrolysed fava bean (Vicia faba) protein (as PeptiStrong®), brown rice flour (gluten free), anti-caking agents (silicon dioxide, magnesium stearate), vegan vitamin D3 (lichen), capsule shell (hydroxypropyl methylcellulose).
!
Allergen Advice
No known allergens. Manufactured in a GMP Certified factory that handles fish, celery, soya, nuts, wheat and gluten.
✓
GMP✓
Made in UK✓
Vegan Friendly1
Remove Lid
Take out 4 capsules
2
4 Capsules
Drink with a small glass of water
3
Replace Lid
Store in a cool, dark place
Water
Take capsule with a glass of water
Creatine
Stack with creatine for a performance boost
Recommended Timing
Pro Tip
Take alongside your post-workout shake/meal to boost muscle protein synthesis
Standard Delivery
2-3 Working Days - £1.99
Free over £20Express Delivery
Next Working Day
£2.9930-Day Money Back Guarantee
Train with confidence. If you don't feel the difference, return the unused portion for a full refund.
Secure Payment Options
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Pay in 3 interest-free installments of £10.00. No fees.
EFECTIV® Peptide (with PeptiStrong®) | 30 Servings | Muscle Builder
30 Servings / 120 Capsules
£29.99
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Proven by Performance
The Science Behind The PeptiStrong Muscle Builder
By working with top manufacturers in the UK, we're able to source and use the highest quality ingredients and flavours, with all of our products meeting the highest UK food safety standards.
Science Backed Formula
Our products are formulated to work, using clinically studied dosages.
Maximum Effectiveness
No fillers, no guesswork, just clinically supported ingredients that deliver.
"Bioavailability is the key to effective sports nutrition."
m. bowering, expert formulator
The Efectiv Difference, How We Compare
Why athletes choose us over the competition.
EFECTIV
OTHER BRANDS
Innovative Formula
Transaprent Dosaging
Desgned For Athletes
3rd Party Testing
Price per Serving
£1.00
£1.50
World Class Performance
Trusted by Champions.
50+ Athletes
+30
Strongman
Chris Harrison
Bodybuilding
Abou Konate
Bodybuilding
Lewis Barker
Bodybuilding
Kyle Raison
crossfit•hyrox•bodybuilding•crossfit•hyrox•bodybuilding•
Transparent Label
Inside the Scoop.
We don't hide behind proprietary blends. Every ingredient is listed with its exact dosage so you know exactly what you're fueling your body with.
2400mg
PeptiStrong®
AI Discovered Natural Peptide
5 Clinical Benefits
3000IU
Vitamin D3
Vegan Friendly Form
Immunity
Lab Verified
Certificate of Analysis
Every Efectiv product is 3rd party tested to assure label claim is accurate, ensuring you're getting exactly what you're paying for.
Open CertificateProduct
EFECTIV® Peptide (with PeptiStrong®) | 30 Servings | Muscle Builder
Status
PASS
Heavy Metals
Not Detected
Microbiology
Pass
Banned Substances
Zero
Real Results. Real People.
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Frequently Asked Questions
PeptiStrong® helps support muscle growth, strength, recovery, and reduced muscle breakdown, especially during training.
It works by helping to stimulate muscle protein synthesis and reduce muscle degradation, supporting better training outcomes.
Yes — PeptiStrong® supports muscle function, but adequate protein intake is still essential.