Instant Mass® Heavyweight is built for serious mass and strength goals. Big on protein, big on carbs and big on calories, it’s a convenient way to push daily intake higher when you’re training hard and struggling to meet targets through food alone.
Each serving delivers substantial protein and carbohydrate alongside over 1,000 calories, helping you stay in a surplus and recover from intense sessions. It also includes friendly bacteria and digestive enzymes, and uses whey protein from grass-fed cows for quality you can count on.
Hard gainers, busy athletes, and anyone who needs a reliable weight-gain shake between meals or after training. If you’ve got a fast metabolism or a demanding schedule, Heavyweight helps you bridge the gap.
Mix one full serving (per label) with water—Reflex recommends ~300g with ~700ml. Start with half a serving if you’re new to gainers and increase as needed for your calorie plan.
See more options in the Reflex Nutrition range.
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SECTION 4 - USE OF THE NUTRITIONAL PRODUCTS SOLD ON THIS WEBSITE
a). Goods sold on this site are not intended for purchase or use by children. Any such use is contrary to these terms and conditions and done so at the risk and liability of the purchaser.
b) None of the nutritional products sold on this site are intended to diagnose, treat, cure, or prevent any disease. Please ensure you consult with your doctor before taking any food supplements, especially if you have any medical conditions. TheSupplementStore.co.uk will not be held liable for any effects, illness, ailments, loss or damage caused from using any of the products sold on this website. All customers should make their supplement purchase with complete knowledge of their safety to consume them. If there is any doubt of suitability for the customer's consumption whatsoever the customer must not proceed with the purchase and we strongly advise the customer to seek professional medical expertise before reconsidering this or any similar purchases either with us or with another supplier. The customer's health is our uppermost concern. It shall be the customer's responsibility to ensure the suitability of the products for their own use.
c) We will not be held liable for any claims made by any of the products that we sell.
ALLERGIES - We strongly advise that if a customer has any allergy that they should not purchase from us. As resellers of the products we sell, we cannot guarantee the allergens that any of these products may contain. If a customer has an allergy and wishes to purchase any of the products that we sell, we advise them instead to contact the manufacturer directly for further allergen information and to buy directly from them to reduce the risks involved to the absolute minimum. We have the upmost concern for the health of our customers and believe that no product is worth taking even the smallest risk of an allergic reaction to. If you ignore this advice, you do so at your own liability.
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