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We include Masszymes because digestive efficiency is genuinely underrated in nutrition. Eating well is only half the equation — absorbing what you eat is the other half. BiOptimizers has built a credible reputation in this category, and this is their flagship enzyme product. We find it most useful for patients on high-protein protocols, those with sluggish digestion, and anyone who has had blood work suggesting poor nutrient uptake despite an adequate diet.
About this product
Masszymes
Masszymes by BiOptimizers is a multi-enzyme digestive supplement designed to support the breakdown and absorption of proteins, fats, and carbohydrates. Its core focus is proteolytic enzyme activity — the class of enzymes that cleave protein molecules into absorbable amino acids. For anyone eating a high-protein diet, whether through whole foods or shakes, digestive enzyme capacity can become a limiting factor: if you are not breaking down what you eat, you are not benefiting from it.
This product suits people who notice bloating or discomfort after protein-rich meals, those in structured training blocks where recovery nutrition matters, and individuals with generally sluggish digestion who want more from their diet without changing it dramatically. It is also commonly used by people in their forties and older, as endogenous enzyme production tends to decline with age.
Digestive enzymes work best when taken alongside food, so the timing of each dose matters. They do not accumulate in the body the way fat-soluble vitamins do — they act locally in the gut during digestion.
BiOptimizers is a brand with a clear focus on digestive and metabolic optimisation. Masszymes sits within their core range and is one of their most established products. As with any enzyme supplement, the quality of the formulation — the breadth of enzyme classes included and their activity units — determines real-world effectiveness. This is worth bearing in mind if you have tried generic enzyme blends without result.
What it does
Benefits
- 01
Supports protein breakdown into absorbable amino acids
- 02
May ease bloating after high-protein meals
- 03
Suits high-protein diets and structured training blocks
- 04
May benefit those with age-related enzyme decline
- 05
Broad multi-enzyme formula covering proteins, fats, and carbs
Get the most from it
How to use
Take 1 to 3 capsules with meals, as directed on the packaging. Timing with food is important — digestive enzymes work during active digestion, so taking them alongside rather than between meals gives the best result.
What's inside
Ingredients
View full ingredient list
Multi-enzyme blend
Common questions
Frequently asked
Who is most likely to benefit from taking Masszymes?
People on high-protein diets, those who experience bloating or heaviness after meals, and individuals over 40 whose natural enzyme production may have declined are the most likely candidates. It is also used by athletes in heavy training who want to maximise recovery nutrition.
When should I take it — before, during, or after meals?
With meals. Digestive enzymes are most effective when food is present in the stomach and small intestine. Taking them on an empty stomach means they have little substrate to act on.
How many capsules should I take per meal?
The packaging states 1 to 3 capsules per meal. Starting at the lower end and adjusting based on meal size and protein content is a reasonable approach.
Is this suitable if I have a gastrointestinal condition?
If you have a diagnosed GI condition — such as IBD, IBS, or a history of peptic ulcers — speak to your GP or gastroenterologist before starting any enzyme supplement. Enzyme products are generally well tolerated, but individual circumstances vary.
How long before I notice a difference?
Digestive changes are often noticeable within the first few days of consistent use, particularly a reduction in post-meal bloating. Improvements in energy or recovery from better nutrient absorption tend to take longer to assess meaningfully.
Doctor-guided care
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