High Protein Mass Gainer Powder for Muscle & Weight Gain
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Estimated Delivery:Nov 23 - Nov 27
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Free Shipping & Returns: On all orders over £100
Fuel your muscle growth and recovery with MuscleTech 100% Mass Gainer, a high-calorie, high-protein formula designed for men and women aiming to build serious size and strength. Each serving, when mixed with skim milk, delivers 60g of premium protein, 1,500 calories, and pure creatine monohydrate to maximise performance and recovery. Formulated with 304g of easily digestible carbs, 6.3g of L-leucine, and over 13g of BCAAs, it ensures optimal energy replenishment and sustained muscle repair. Perfect for hard gainers and athletes, this powerful blend helps you overcome plateaus, increase mass, and boost training intensity.
Crafted in the USA to meet strict quality standards, MuscleTech’s Vanilla Milkshake flavour offers a rich, smooth taste while delivering consistent results. Each 5.15 lb (82.4 oz) canister provides approximately 42 servings of clean, nutrient-dense fuel for your fitness goals. Ideal post-workout or as a daily calorie supplement, it’s your all-in-one solution for lean muscle building and faster recovery.
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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.
High Protein Mass Gainer Powder for Muscle & Weight Gain
Discover more in our FAQ
What are your delivery times?
We aim to deliver all international orders within 2 weeks. All shipments include tracked delivery with real-time updates sent via SMS or email, so you can follow your order every step of the way.
What’s your returns policy?
We offer 30-day easy returns on unused items in their original packaging. Some products also include a warranty on materials and stitching - when applicable, it will be clearly stated in the product description.
How do I choose the right size?
All sizing and product details are included in each item’s description. If you're unsure or need personalised guidance, feel free to reach out to us anytime at support@peakflex.org
Are your supplements tested and safe?
Yes - all of our supplements are sourced from trusted manufacturers and are produced in facilities that follow strict quality and safety standards. Many of them undergo third-party testing to ensure purity, potency, and compliance with regulatory guidelines. Any additional certifications or testing information will always be listed in the individual product description. Your health and safety are our top priority.