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Reflex Nutrition One Stop Xtreme | Serious Mass Protein Powder

Reflex Nutrition One Stop Xtreme | Serious Mass Protein Powder

Reflex Nutrition One Stop Xtreme | Serious Mass Protein Powder

What is One Stop Xtreme? One Stop Xtreme has been made to replace all the numerous supplements and allow you to take one shake and know your nutritional needs are covered, alongside a balanced and healthy diet. With 55g of protein, 10.3g BCAAs, 73g low GI carbohydrates and 5000mg of creatine in every shake, plus friendly bacteria and digestive enzymes and some added vitamins, minerals and amino acids this really is the go-to shake for gains.


  • Whey Protein Concentrate (30 Percent) (MILK)
  • Maltodextrin
  • MILK Protein (12 Percent) (of which 80 Percent Micellar Casein, 20 Percent Native Whey)
  • OAT Flour
  • BARLEY Flour
  • Glutamine Peptides (WHEAT)
  • Creatine Monohydrate (Creapure)
  • L-Leucine
  • Flavouring
  • Betaine Anhydrous
  • Beta Alanine
  • L-Taurine
  • Magnesium Bisglycinate
  • Sea Salt
  • Cocoa Powder
  • Potassium Chloride
  • Thickener (Cellulose Gum)
  • L-Choline Bitartrate
  • Sweeteners (Sucralose, Steviol Glycosides)
  • Colour (Carotenes)
  • Digestive Enzyme Complex (DigeZyme (Alpha-Amylase, Neutral Protease, Cellulase, Lactase, Lipase))
  • Vitamin C (L-Ascorbic Acid)
  • Zinc Bisglycinate
  • Tocotrienol-Rich Annatto Seed Extract (DeltaGold)
  • Ferrous Bisglycinate
  • Vitamin B3 (Nicotinamide)
  • Copper Bisglycinate
  • Selenomethionine
  • Piperine (BioPerine)
  • Protected Lactic Acid Bacteria (Bifidobacterium bifidum, Lactobacillus acidophilus, Lactobacillus rhamnosus)
  • Vitamin A (Retinyl Acetate)
  • Vitamin B5 (Calcium D-Pantothenate)
  • Vitamin D3 (Cholecalciferol)
  • Vitamin B6 (Pyridoxine Hydrochloride)
  • Vitamin B1 (Thiamine Hydrochloride)
  • Vitamin B2 (Riboflavin)
  • Chromium Picolinate
  • Vitamin B9 (Folic Acid)
  • Vitamin B7 (D-Biotin)
  • Vitamin B12 (Methylcobalamin)


Mix 145 g (approximately one level 250ml measure) with 600 ml water until powder has fully dissolved. Take a shake mid-morning between meals, and a second shake after your workout if required.

Safety Warning

This product is a food supplement and should be used in conjunction with food as part of a healthy and varied diet, not as a substitute for such. Recommended daily consumption is one to two 145 g servings per day. Do not exceed the stated recommended daily dose. This product is not intended for use by persons under the age of 18. Keep out of reach of young children. The scoop included with this product measures by volume not by weight, for precise measurements please use measuring scales. This product is sold by weight, not by number of servings. Protein contributes to the growth and maintenance of muscle mass. Creatine increases physical performance in successive bursts of short-term, high intensity exercise. The beneficial effect is obtained with a daily intake of 3 g of creatine.

Manufacturer Contact Information

Reflex Nutrition, Sea View Way, Brighton, BN2 6NT, UK

See more One Stop Xtreme is our ultimate ALL IN ONE MASS muscle building PROTEIN POWDER. It has been formulated to replace the use of numerous supplements allowing body builders to simply take one shake and know their nutritional needs are covered, alongside a balanced healthy diet. One Stop Xtreme MASS PROTEIN delivers 55g of PROTEIN, 10.3g BCAA’S, 73g low GI carbohydrates, 5,000mg Creapure Creatine, LAB2PRO friendly bacteria and Digezyme digestive enzyme complex. One Stop Xtreme MASS PROTEIN also contains Beta Alanine, Betaine Anhydrous and Taurine along with added vitamins and minerals that contribute to the maintenance of normal protein synthesis, normal function of the immune system and normal testosterone production. Reflex only uses whey protein derived from grass-fed cows ensuring premium quality. Manufactured on an informed sport registered facility, suitable for vegetarians and made on a Halal certified site. Hormone free, no added sugars, artificial colours or soy protein.