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20g protein plus superfoods, collagen, probiotics and BCAAs — complete nutritional support to grow stronger, recover quicker and perform at your peak.
The complete shake — protein, superfoods, collagen, probiotics + BCAAs in one serving
20g high biological value protein from a blend of whey protein, pure hydrolysed collagen peptides (bovine, type I), pea protein and branch chain amino acids
5000mg collagen peptides for joints + 3500mg BCAAs + 3000mg L-glutamine for recovery
2000mg organic superfood blend, plant sterols, probiotics and essential vitamins
Description
Your protein shake hits your macros. But what’s it doing for the rest of your body?
Training hard but always run down? Your shake is only doing half the job. Protein Rx is what a protein shake looks like when it’s formulated for the whole athlete.
Twenty grams of premium protein sits alongside organic superfoods for micronutrition, hydrolysed collagen for joints and connective tissue, probiotics for gut health, and BCAAs plus L-glutamine for recovery. High in fibre, clean-label, and ideal post-training or between meals. Performance today, vitality tomorrow — in one serving.
Ingredients
Active ingredients per 40g serving:
- High biological value protein — 20g
- Collagen peptides — 5000mg
- BCAAs — 3500mg
- L-glutamine — 3000mg
- Organic superfood blend — 2000mg
- Plant sterols, probiotics and essential vitamins
Collapsible row
Protein (20g)
- Supports lean muscle growth and repair
High biological value for efficient use by the body
BCAAs + L-Glutamine
- Support muscle recovery after training
- Help protect lean muscle through hard blocks
Collagen Peptides
- Support joints and connective tissue under training load
Superfoods, Probiotics + Vitamins
- Support vitality, gut health and overall wellbeing
Directions + Warnings
Add ≈40g to 250–300ml cold water or milk of your choice, shake well and enjoy — post-training or between meals.
WARNINGS: This product is not intended to diagnose, treat, cure or prevent any disease. Not a sole source of nutrition — use alongside a balanced diet and training programme. Pregnant or nursing mothers, individuals under 18 and those with a known medical condition should consult a healthcare professional before use. Store in a cool, dry place. Keep out of reach of children.
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Protein Rx — All-In-One Protein Shake
All-In-One Protein Drink
High Protein Meal Replacement
Protein Rx is Sport Rx's flagship meal replacement protein shake — delivering 20 grams of premium protein alongside organic superfoods, collagen peptides, probiotics, BCAAs, L-glutamine and essential vitamins in a single comprehensive serving. This delicious powder formula is built for the serious fitness enthusiast who wants their protein shake to do more than just hit a protein target.
Shop The Range
Protein Rx — All-In-One Protein Shake

20 g Premium Protein — Multi-Source for Multi-Benefit
Protein Rx draws on a high-quality protein blend to deliver 20 grams of protein per serving at absorption rates that support both immediate post-workout recovery and sustained amino acid release. For those using this product as a meal replacement, the protein content — combined with the comprehensive nutritional profile — ensures that the meal it's replacing is genuinely well-covered from a nutritional standpoint.

Collagen Peptides — The Performance Ingredient Most Brands Miss
Protein Rx includes hydrolysed collagen peptides, not as a marketing addition but because the evidence for collagen's role in supporting connective tissue, joint health and recovery in active individuals is compelling. Tendons, ligaments and cartilage are subjected to significant stress during training, and collagen supplementation supports their repair and integrity — an aspect of performance nutrition that mainstream protein brands consistently overlook.

Probiotics and Superfoods — Gut and Micronutrient Support
Gut health is one of the most important and least discussed factors in athletic performance. A healthy gut microbiome supports efficient nutrient absorption, immune function and even mental focus — all of which directly impact training quality and recovery. The inclusion of probiotics and organic superfoods in Protein Rx reflects Sport Rx's commitment to nutrition that goes beyond the single-dimensional approach of conventional protein supplements.
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The Protein Rx Difference
Performance Recovery
Supports muscle repair, connective tissue recovery and daily performance with high-quality protein, collagen peptides and recovery-focused nutrients.
Lean Muscle Support
Provides complete protein nutrition to help support lean muscle growth, strength and post-training recovery.
Daily Wellness
Fortified with probiotics, vitamins and nutrient-dense superfoods to support overall wellbeing and everyday vitality.
Sustained Nutrition
Delivers balanced nourishment between meals or after training to help fuel busy, active lifestyles.
Clean Performance Fuel
Made without artificial, chemical or biochemically engineered ingredients for clean, effective daily nutrition.
Gut & Immune Health
Includes probiotics and essential nutrients to help support digestive balance, immune function and nutrient absorption.
Most protein shakes feed your muscles. Protein Rx feeds your whole body.
FAQs
Please read our FAQs page to find out more.
What makes Protein Rx different to other protein powders?
Protein Rx is more than just a standard protein shake. While many protein powders focus only on muscle recovery, Protein Rx is formulated to provide broader nutritional support for active individuals. Alongside 20 g of high biological value protein, it includes hydrolysed collagen peptides for connective tissue support, BCAAs and L-glutamine for recovery, probiotics and essential vitamins for wellbeing, and an organic superfood blend to support vitality and performance. It is also a clean-label formula made without artificial, chemical or biochemically engineered ingredients.
How do I prepare Protein Rx?
Mix 40 g (approximately 1 rounded scoop) with 250–300 ml cold water, almond milk, or fat-free milk and shake well until smooth.
Who should use Protein Rx?
Protein Rx is a high-protein powder formulation developed to provide nutritional support to those engaged in sports and other physical activities seeking to improve recovery and physical performance through better daily nourishment. Consumed after training or in between meals, Protein Rx provides convenient on-the-go nutrition to those wanting to fuel their body, and obtain the nutritional support they desire to recover and rebuild faster and stronger and perform at their peak.
What does Protein Rx taste like?
Each blend has a unique taste as they all contain different flavouring ingredients, from cocoa to vanilla caramel. There is no grainy texture, and we do not add artificial flavourings or sweeteners to any of our blends. Protein Rx is often praised by clients for its great taste!
How can I store Protein Rx?
You should store your tub in a cool, dry place like your pantry, although storing opened containers in your fridge may help to prevent moisture absorption and clumping, especially in warm, humid environments, thereby potentially extending shelf life.
Is Protein Rx safe for children?
Absolutely. Protein Rx is formulated from 100% natural ingredients, which are commonly found in everyday foodstuffs. This superfood protein blend is free from potentially harmful chemicals, pharmaceutical active ingredients and other artificial ingredients like artificial colouring, flavouring and sweeteners. As highly active kids may not eat a sufficiently varied and nutritious diet or consume sufficient high-quality proteins and amino acids to meet their body's recovery demands, Protein Rx can offer valuable nutritional support to physically active kids. Protein Rx helps eliminate nutritional guesswork and provides your child with a daily dose of high quality proteins, organic reds and greens, essential vitamins and minerals and gut-friendly probiotics.
Is Protein Rx safe to use during pregnancy or breastfeeding?
While Protein Rx is formulated entirely from natural ingredients that one would typically find in nutritious everyday whole foods like fruits and vegetables, it is always our recommendation for pregnant or lactating women to consult with their healthcare practitioner before embarking on any specific diet plan or using nutritional supplements to bolster their diets.
Is Protein Rx gluten-free?
While Protein Rx is made in a facility that uses tree nuts, peanuts, wheat (gluten) and eggs, the formula is free from gluten and can thus be considered gluten-free.
Is Protein Rx suitable for vegans and vegetarians?
Protein Rx contains bovine-derived collagen peptides and high biological value dairy protein as key active ingredients so is unfortunately not suitable for vegans or vegetarians.
Is Protein Rx suitable for diabetics?
Current recommendations for sugar intake in diabetics generally advise that daily sugar intake should not exceed 10% of daily energy intake. The UK Scientific Advisory Committee on Nutrition further advises that this percentage ideally be reduced to 5%, which equates to 25 g of sugars in a 2000 kCal/day diet. Protein Rx is relatively low in sugar, containing 10 g of carbohydrates, of which 6 g is sugar, per serving. Diabetics should thus factor the product's carbohydrate and sugar content into their daily diet plan and continue to regularly monitor their blood glucose levels to ensure that it is maintained within the recommended range.
Does Protein Rx contain any fillers, binders, sugars or sweeteners?
All Sport Rx formulations are formulated to be 100% free from artificial ingredients including fillers, colourants, preservatives and artificial flavouring and sweeteners.
How many servings of Protein Rx can I take per day?
Due to the natural nature of Protein Rx’s formulation and safe ingredient make up, we believe that it is safe to consume multiple daily servings as desired to support your particular protein and nutritional intake requirements. We do not believe it is necessary to consume more than 1 or 2 servings per day to derive the intended nutritional benefit. We suggest this product be used as a food supplement only in conjunction with a nutritious diet and not relied on as a sole source of nutrition.
Are Sport Rx products safe for professional athletes?
Sport Rx is SA's first clean label brand. Our blends use 100% natural ingredients which are safe for athletes and contain no artificial or prohibited substances.
When is the best time to take PROTEIN Rx?
PROTEIN Rx provides convenient on-the-go nutrition suitable for consumption any time of the day, morning or night. Used as an in-between snack or on-the-go meal replacement, PROTEIN Rx is your ideal “performance nutrition in a tub” training partner.


















