In this short film, we explore why TLC PureOrigin™ chose Whey Protein Concentrate 80 (WPC-80), a whey fraction derived from traditional cheesemaking that preserves more of the natural structure found in dairy thus supporting digestion, metabolic balance, and muscle protein synthesis. Full scientific references are available below.👇
By Dr. Eugene Capitano, DC, MSc
Dr. Eugene Capitano earned an MSc in Psychology & Neuroscience of Mental Health from King’s College London. He holds the ACSM Exercise is Medicine® (EIM) Credential and is an ACSM Certified Personal Trainer® (ACSM-CPT®). His research interests include the gut–brain axis, functional nutrition, metabolic health, and translational microbiome science.
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Protein powders are often judged by a single number: how many grams of protein they contain. But protein quality involves more than concentration alone. The essential-amino-acid profile, digestion rate, serving size, formulation, and how the protein fits into a person's overall diet all matter.
TLC PureProtein 80™ is built around cheese-derived whey protein concentrate containing approximately 80% protein on a dry-matter basis, commonly called WPC80.
We did not select WPC80 because it is the only worthwhile protein or because every alternative is inferior. We selected it because its nutritional characteristics fit the purpose of our product: providing a complete, leucine-rich dairy protein in a practical 40-gram serving that can help strengthen meals that may otherwise contain too little protein.
Typical values for the WPC80 ingredient we use, per 100 grams as supplied:
In a 40-gram serving, that works out to roughly 30 g of complete protein, about 3.2 g of leucine, and about 1.6 g of lactose.
These are typical ingredient values, not finished-product guarantees, and they describe the raw WPC80 rather than the blended finished product. The exact figures for any finished serving are confirmed by product-specific testing.
During cheesemaking, milk separates into a casein-rich curd and a liquid whey fraction. The whey is then filtered to concentrate its naturally occurring proteins while removing much of the water, lactose, and minerals.
The "80" in WPC80 means the ingredient is standardized to contain approximately 80% protein on a dry-matter basis. Because moisture remains in the powder, the protein percentage measured as supplied is lower — at least 75.2%, with a typical value of 75.8 grams per 100 grams.
The WPC80 used in TLC PureProtein 80™ lists whey protein concentrate as its sole ingredient, with no added lecithin or other listed additives.
Why we choose non-instantized whey
Research on soy lecithin has identified changes in microbial metabolites, but the clinical significance remains uncertain. These findings do not establish that lecithin damages the gut.
Because added lecithin is not necessary for our formulation, we choose to leave it out while the evidence develops. This is a precautionary formulation choice—not a claim that lecithin-free protein has proven superior gut-health outcomes.
The practical trade-off is that some clumping may occur, and more vigorous shaking, blending or a brief rest may be needed. Mixing behaviour alone is not proof of purity or evidence that another product contains lecithin.
Human trial: Wellens et al., 2026, Clinical Gastroenterology and Hepatology. PMID: 40816342.
WPC80 provides all nine essential amino acids — the amino acids the body cannot produce in sufficient amounts and must obtain through food.
These essential amino acids supply the building material required to make and repair body proteins, including skeletal-muscle proteins. Whey is also naturally rich in the three branched-chain amino acids:
This matters because muscle protein synthesis requires more than leucine alone. Leucine helps signal that amino acids are available, while the full essential-amino-acid profile supplies the material needed to build new proteins.
That is one reason we use intact WPC80 rather than relying on added isolated leucine.
Leucine plays a central role in activating the cellular signalling involved in muscle protein synthesis. Our WPC80 supplies roughly 3.2 grams of leucine in a 40-gram serving — an amount consistent with the leucine doses used in the muscle-protein-synthesis research.
However, the idea of a single universal "leucine threshold" can be misleading. The amount of protein and leucine needed to produce a meaningful response varies according to:
Leucine should therefore be viewed as one part of a complete protein dose, not as an isolated switch that guarantees muscle growth.
WPC80 naturally combines leucine with the other essential amino acids needed to support muscle-protein synthesis.
Whey protein is digested relatively quickly and produces a rapid rise in circulating essential amino acids after consumption.
In a randomized crossover trial, WPC80 produced a faster post-exercise rise in blood essential amino acids and leucine than milk, whose slower, casein-dominant protein matrix releases amino acids more gradually (full references in the paper below). Broader whey-protein research also shows that whey can effectively stimulate muscle-protein synthesis when consumed in an appropriate dose.
It is important not to overinterpret this property. Faster amino-acid delivery does not automatically guarantee greater long-term muscle growth. In the same trial, the faster amino-acid kinetics did not translate into measurable differences in muscle-function recovery, and longer training studies have shown similar gains in muscle and strength despite differences in how quickly amino acids appear in the blood. Exercise habits, total protein intake, energy intake, recovery, and consistency remain more important than digestion speed alone.
For TLC PureProtein 80™, relatively rapid amino-acid availability is useful because the product is intended to provide a practical protein dose at a meal or around exercise.
TLC PureProtein 80™ is designed around a 40-gram serving intended to provide a practical amount of complete dairy protein and naturally occurring essential amino acids — about 30 grams of protein per serving.
Many people consume most of their protein at dinner while eating considerably less at breakfast, during snacks, or at lighter meals. A complete protein supplement can help increase the protein content of those meals.
This does not mean every person requires the same serving or that every meal must reach one exact number. Total daily protein intake remains fundamental, and individual requirements vary.
The purpose of meal-specific protein use is simple: when a meal is low in protein, adding a concentrated complete protein can help close that gap.
Protein and resistance exercise work together.
Resistance exercise increases the muscle's sensitivity to amino acids, while dietary protein provides the material needed for repair and adaptation. Research consistently shows that protein supplementation is most useful when it complements regular resistance training and helps a person meet an actual dietary need.
This can be relevant for:
Protein supplementation does not replace resistance exercise, balanced meals, sleep, or adequate energy intake. It is one tool within a broader nutrition and activity plan.
WPC80 is not automatically lactose-free.
The ingredient specification for our WPC80 lists about 4 grams of total sugar per 100 grams — roughly 1.6 grams per 40-gram serving, predominantly lactose. This is an ingredient value rather than a direct lactose assay of the finished product, and the exact lactose content of any finished serving is confirmed by product-specific testing.
Lactase non-persistence, lactose malabsorption, and symptomatic lactose intolerance are not the same thing. Many people with reduced lactose digestion can still tolerate modest amounts — research suggests most can handle at least 12 grams of lactose without symptoms, particularly when it is consumed with food. Symptoms depend on the amount consumed, individual sensitivity, meal context, and other gastrointestinal factors.
For that reason, TLC does not claim that WPC80 is universally tolerated or that it necessarily creates a clinically meaningful tolerability advantage over every other dairy protein at typical serving sizes.
People with lactose intolerance should assess their own tolerance. People with a milk-protein allergy should not consume whey protein.
Because our WPC80 comes from whey generated during cheesemaking, it naturally contains glycomacropeptide, commonly called GMP.
GMP is released from a milk protein during rennet-based cheesemaking and moves into the liquid whey fraction. It has attracted scientific interest because its peptide structure and attached carbohydrate groups may interact with intestinal microorganisms and immune-signalling pathways.
Laboratory and animal studies report potential:
The effects of GMP also appear to change during digestion. In laboratory research, digested GMP reduced the release of certain inflammatory signalling molecules, whereas intact, undigested GMP produced different — and sometimes opposing — responses.
These findings are scientifically interesting, but they are not proof that ordinary WPC80 improves the human microbiome, reduces inflammation, repairs the intestinal barrier, or treats gastrointestinal disease.
Human evidence remains limited and inconsistent. We therefore describe GMP as a naturally occurring bioactive whey fraction with promising mechanistic and preclinical research, not as a clinically proven therapeutic ingredient.
WPC80 fits the formulation philosophy behind TLC PureProtein 80™ because it provides:
Our goal is not to make protein more complicated than it needs to be. It is to provide a clearly defined serving of complete protein built around a carefully selected foundational ingredient.
Choosing WPC80 does not mean:
TLC PureProtein 80™ is a food product, not a medical treatment.
We selected cheese-derived WPC80 because it provides a concentrated and complete source of dairy protein, all nine essential amino acids, naturally occurring leucine, and relatively rapid post-meal amino-acid availability — roughly 30 grams of protein and 3.2 grams of leucine in a practical 40-gram serving.
These characteristics make it well suited to a protein product designed to help adults increase the protein content of meals and complement resistance exercise and muscle-maintenance goals.
The case for WPC80 does not depend on declaring every other protein inferior. It rests on a more focused conclusion:
WPC80 provides the protein quality, amino-acid profile, digestion characteristics, and practical serving format that fit the purpose of TLC PureProtein 80™.
Dr. Eugene Capitano, DC, MSc, is a chiropractor, rehabilitation clinician, and researcher with more than 25 years of clinical experience. He earned an MSc in Psychology & Neuroscience of Mental Health from King’s College London and holds the ACSM Exercise is Medicine® (EIM) Credential and the ACSM Certified Personal Trainer® (ACSM-CPT®) certification. His research interests include the gut–brain–muscle axis, microbiome-targeted nutrition, resistance training, mitochondrial function, metabolic health, and healthy aging.
Affiliation: TLC NeuroMicrobiome Labs Inc., Winnipeg, Manitoba, Canada
This information is provided for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Individuals must consult a qualified healthcare provider or registered dietitian before making significant changes to their diet or exercise regimen. Important Safety Notice: Individuals with pre-existing renal impairment, diabetes, or other chronic metabolic conditions should consult a healthcare provider before significantly increasing protein intake. Higher-end protein intakes should be used only under medical supervision, with regular monitoring of renal function.
© 2025 TLC NeuroMicrobiome Labs Inc.
Educational content only; not intended to diagnose or treat disease. Consult a qualified professional before major dietary changes.
Why_TLC_Uses_Cheese_Derived_WPC80_Final_Manuscript (pdf)
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