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Protein Accelerator

The limiting factor in a high-protein diet isn't how much you eat - it's how much you absorb. 

Protein Accelerator's advanced enzyme blend breaks dietary protein down into bioavailable peptides and amino acids - accelerating absorption and driving muscle synthesis. 

£29.99
Plate of grilled chicken with vegetables and grains, protein shake, and supplement on a kitchen counter.
Enhances the protein you already eat

Step 1: Take with your protein

One capsule with your post-training meal, recovery shake, or highest-protein meal of the day. You can take up to two daily.

Step 2: Proteins break down faster

Protease, trypsin, and bromelain accelerate the breakdown of protein into peptides and absorbable amino acids

Step 3: More protein absorbed, less wasted

Faster, more complete digestion means greater amino acid availability for muscle repair and recovery

Frequently asked questions

What does Protein Accelerator actually do?

Protein Accelerator delivers a concentrated blend of proteolytic (protein-digesting) enzymes, including protease, trypsin, papain, and bromelain, that support the breakdown of dietary protein into smaller peptides and free amino acids.

Amino acids are the form in which protein is actually absorbed through the intestinal wall and transported to muscle tissue for synthesis and repair. The more completely dietary protein is broken down, the more amino acids become available for that process.

The product also contains amylase to support carbohydrate digestion, which matters for athletes training with combined protein and carbohydrate meals or shakes.

Why isn't the protein I'm already eating enough?

For most athletes eating moderate amounts of protein, endogenous enzyme production is sufficient. But at the high intake levels serious athletes target, 160-220g per day, the digestive system can become the bottleneck.

Several factors compound this at high training volumes: reduced gut blood flow during intense exercise, accelerated gastric emptying, and the simple volume of protein the body needs to process. The result is incomplete breakdown, reduced amino acid availability, and often GI discomfort.

The limiting factor in a high-protein diet isn't how much you eat. It's how much you absorb. Protein Accelerator closes that gap.

Is there evidence that supplementation improves protein absorption?

A 2023 study published in the Journal of the International Society of Sports Nutrition found that protease supplementation improved amino acid bioavailability by 28% and reduced post-workout bloating in trained individuals.

The limiting factor in a high-protein diet isn't how much you eat. It's how much you absorb. Protein Accelerator closes that gap.

When should I take Protein Accelerator?

Take one capsule with your highest-protein meal or shake of the day, typically your post-training recovery meal. For athletes eating multiple large protein meals daily, a second capsule with another meal is a reasonable approach.

  • Post-training: 1 capsule with your recovery meal or protein shake
  • Pre-training: 1 capsule if eating a substantial protein meal within 90 minutes of training
  • High-protein meals: 1 capsule with any meal exceeding 40-50g protein

The enzymes need to be present alongside the protein being digested, so timing with food is important. Do not take on an empty stomach.

Does it work with all protein sources, whey, plant-based, whole food?

Yes. The proteolytic enzymes in Protein Accelerator support the breakdown of protein regardless of source. This includes whey, casein, egg, plant-based proteins (pea, rice, hemp), and whole food protein from meat, fish, and legumes.

Plant-based proteins in particular can be harder to digest due to their fibre content and less complete amino acid profiles.

Does it replace my protein powder or food?

No. Protein Accelerator is a fueling enabler, not a fuel. It contains no protein itself. It works alongside your existing protein sources, shakes, whole food meals, bars, to support their breakdown and absorption.

Think of it as optimising the return on a nutritional investment you're already making, not replacing it.

Should I take it with every protein meal or just the biggest one?

Start with one capsule at your largest or most important protein meal of the day, typically post-training. This is where the return is highest, as the window immediately after training is when amino acid availability matters most for muscle protein synthesis.

If you consistently eat two or more very high protein meals, or frequently experience GI discomfort across multiple meals, adding a second capsule at another meal is a reasonable progression. One bottle provides a four-week supply at one capsule per day.

What are the key active ingredients
  • Protease (100mg): broad-spectrum enzyme that cleaves peptide bonds, breaking long protein chains into shorter peptides and amino acids
  • Trypsin (50mg): a specific serine protease that cleaves proteins at arginine and lysine residues; one of the body's primary protein-digesting enzymes
  • Papain (100mg): derived from papaya; a well-studied proteolytic enzyme effective across a wide pH range including the acidic stomach environment
  • Bromelain (2mg): derived from pineapple; proteolytic with additional anti-inflammatory properties relevant to post-training recovery
  • Amylase (100mg): supports carbohydrate breakdown; relevant for athletes combining protein with carbohydrate in meals and shakes
  • Lipase (100mg): supports fat digestion; reduces overall digestive load from mixed macronutrient meals
  • Alpha-Galactosidase (25mg): breaks down complex carbohydrates found in legumes and plant proteins that are a common source of GI discomfort
  • Fennel, Ginger root extract, Peppermint leaf: support GI comfort and reduce bloating

Plant-based capsule. No artificial fillers. Made in a GMP-certified UK facility.

Do your products contain allergens?

The formula is free from peanuts and does not include any added gluten, dairy, or soy. However, some ingredients are processed in facilities that handle these materials. Trace levels may therefore be present:

  • Papain contains sulphites
  • Trypsin may contain dairy, soy, or gluten
  • Alpha-galactosidase may contain gluten

All products are manufactured in a GMP-certified UK facility under strict allergen control to minimise any risk of cross-contamination.

How quickly will I notice a difference?

Individual response varies. Endogenous protease levels differ between individuals, which means some athletes will experience more pronounced effects than others - this reflects natural biological variation. We recommend a minimum four-week trial to assess meaningful impact.

GI comfort changes, including reduced bloating, heaviness, and discomfort after high-protein meals, are typically the first thing athletes notice, often within days of consistent use.

Will everyone respond to it the same way?

No. Endogenous enzyme production varies naturally between individuals. Athletes who already produce high levels of digestive proteases will see less marginal benefit than those whose natural enzyme production is lower or whose intake is consistently pushing digestive capacity.

Those most likely to be clear responders: athletes eating 160g+ protein daily, and those consuming predominantly whole-food protein sources rather than fast-digesting isolates e.g. meats

Can I take it alongside other supplements, creatine, BCAAs, pre-workout?

Yes. Protein Accelerator is designed to sit alongside an existing supplement stack, not replace it. It has no stimulant content and no known interactions with common sports nutrition supplements including creatine, BCAAs, beta-alanine, or pre-workouts.

If you are taking any prescription medication or have a medical condition, consult a healthcare professional before use.

If I take Protein Accelerator regularly, will my body reduce its own enzyme production over time?

The short answer for healthy athletes at normal doses is no - the available evidence does not support meaningful downregulation of natural enzyme production.

The body regulates digestive enzyme secretion primarily through two hormones, cholecystokinin and secretin, which are triggered by the presence of partially digested food in the small intestine. This is a food-driven feedback mechanism, not an enzyme-driven one. The presence of supplemental exogenous enzymes does not interfere with this hormonal signalling, which continues to respond to the food itself rather than the enzyme environment.

Microbial and plant-derived enzymes, which make up the majority of Protein Accelerator's formula, are generally considered complementary to endogenous pancreatic enzymes rather than substitutes for them. They work in parallel, not in place of, the body's own digestive output.

If you stop using Protein Accelerator, your digestion will continue to function on its own endogenous enzyme production as it did before. This product is not designed to replace that system. It is designed to supplement it at the points where intake is highest and digestion is most likely to be the limiting factor.

Is Protein Accelerator safe for my liver and kidneys?

There are two distinct questions: the effect of high-protein diets on renal function, and the effect of digestive enzyme supplementation specifically. These are different issues.

On high-protein diets and kidney health, the evidence in healthy individuals is reassuring. The International Society of Sports Nutrition position stand on protein and exercise states that protein intakes of 1.4 to 2.0g per kilogram of body weight per day are not only safe but may improve training adaptations in physically active individuals, with no detrimental effect on kidney function or bone metabolism in healthy, active people. A concern about protein and renal stress has historically been raised in the context of pre-existing kidney disease, where reducing dietary protein load is sometimes clinically appropriate. In those cases, high protein intake can accelerate existing dysfunction. In healthy individuals with no underlying renal pathology, the evidence does not support this risk.

On enzyme supplementation specifically, the most relevant human safety data comes from a 30-day double-blind, randomised controlled trial published in PMC (Oben et al., PMC3644185) examining repeated daily dosing of a protease enzyme blend, combined with whey protein in healthy, resistance-trained males. The study evaluated a comprehensive panel of clinical safety markers including hepatic (liver) function tests, renal function markers, metabolic parameters, and cardiovascular health indicators over 30 days of continuous use. No significant adverse changes were observed in hepato-renal function within or between the enzyme-supplemented and control groups.

From a mechanistic standpoint, the enzymes in Protein Accelerator, including protease, trypsin, papain, and bromelain, are proteins themselves. When ingested orally, they function within the gastrointestinal tract and are subsequently digested and absorbed as amino acids like any other dietary protein. They do not accumulate in the liver or kidneys, and they are not metabolised through hepatic pathways in the way that pharmaceutical compounds or certain fat-soluble supplements are. The liver is not required to process them as foreign or synthetic substances.


If you have a diagnosed kidney condition, liver disease, or are taking medication that is hepatically metabolised, you should consult a healthcare professional before adding any supplement to your stack, including this one

What is the return policy?

We want you to be happy with your purchase. If your order arrives damaged or you’re not satisfied, contact us within 14 days of delivery for a replacement or refund. Products must be unopened and in their original packaging.

Are any purchases final sale?

Opened supplements cannot be returned for safety reasons. If your product is damaged or incorrect, we’ll replace it quickly at no cost to you.

Where are your products manufactured?

All products are made in the UK in a GMP-certified cleanroom facility that meets the same standards used for medical-grade supplements.

How much does shipping cost?

Standard UK shipping if free on all orders

References

*Not all dietary protein is fully digested and absorbed before reaching the large intestine. Measurements using true ileal digestibility show that protein absorption typically ranges from ~70% to >95%, depending on protein source, processing, digestive physiology, and dietary context [1–3]. As a result, a meaningful proportion of ingested protein may not become available as circulating amino acids required for muscle protein synthesis [4]. Supporting protein digestion may help increase the availability of amino acids from the protein you consume.

[1] FAO Expert Consultation. Dietary protein quality evaluation in human nutrition. Food and Agriculture Organization of the United Nations, Rome, 2013.

[2] Rutherfurd SM, Fanning AC, Miller BJ, Moughan PJ. Protein digestibility-corrected amino acid scores and digestible indispensable amino acid scores differentially describe protein quality in growing male rats. Br J Nutr. 2015;114(8):1254–1262.

[3] Mathai JK, Liu Y, Stein HH. Values for digestible indispensable amino acid scores (DIAAS) for some dairy and plant proteins may better describe protein quality than values calculated using the protein digestibility-corrected amino acid score (PDCAAS). Br J Nutr. 2017;117(4):490–499.

[4] Wolfe RR, Rutherfurd SM, Kim I-Y, Moughan PJ. Protein quality as determined by the Digestible Indispensable Amino Acid Score: evaluation of factors underlying the calculation. Adv Nutr. 2016;7(5):820–827.