Benefits of whey protein across the life stages

Whey protein is a complete protein, containing all of the essential amino acids (histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.

Whey protein is an excellent source of protein for individuals of all ages who value the role of a healthy lifestyle.
Infant Nutrition: Essential for growth and development of infants and toddlers.

Weight Management: A reduced calorie, higher protein diet including whey protein may improve the quality of weight loss by helping you lose more fat and/or maintain more lean muscle. Calorie for calorie, whey protein can help people feel full longer than carbohydrates. It is widely accepted that the most effective path to healthy body composition is to combine sustainable dietary changes with exercise.

General Wellness: Consuming a diet including whey protein helps to promote strong immunity and protect the health of active individuals. Whey protein is a source of high-quality protein with all the essential amino acids required for good health.

Exercise Strength & Recovery: Consuming whey protein and performing resistance exercise regularly can help build more lean muscle than resistance training alone or resistance training combined with carbohydrate consumption. Consuming whey protein after exercise helps to build and repair muscle.

Healthy Ageing: Emerging research shows older individuals may be able to reduce age-related decline of muscle mass by engaging in resistance training and consuming higher than Recommended Dietary Allowance (RDA) for protein.


Whey protein and Muscle Protein Synthesis (MPS)
Protein supports improvements in overall body composition by;

  • increasing energy expenditure (thermogenic effect of protein) and satiety, both of which are greater for protein than that of carbohydrates and fats
  • protecting lean muscle mass.

MPS is critical to muscle maintenance during periods of calorie reduction. The essential amino acids (those that the body cannot produce) are the main nutrient regulators of MPS. Whey protein is a rich source of essential amino acids. In particular, it contains leucine, a key amino acid for stimulating MPS. This unique amino acid composition and rapid digestion and absorption kinetics position Whey Protein as the number one choice supplement for influence body composition when combined with appropriate exercise. These changes in body composition will improve metabolic health, inflammatory status and insulin sensitivity.

Research from Carbery

Carbery’s whey protein range, including Isolac® and Optipep®, have been shown, via partnership studies, to positively influence metabolic health via the circulating concentration of inflammatory cytokines and hormones such as insulin, leptin and ghrelin which regulate metabolic health.

We are committed to advancing the science of whey protein hydrolysates, continuing to lead the market in innovation for nutritional interventions to support positive and sustainable changes in body composition and metabolic health.

Find out more on Next Generation.

Find out more about our brands:

Optipep, our innovative range for specialised nutritional applications includes hydrolysed whey protein isolates (90% protein) and hydrolysed whey protein concentrates (80% protein). Targeted hydrolysis enzymatically digests the native proteins into smaller fractions and peptides. These are rapidly digested and absorbed delivering essential protein nutrients for growth and maintenance of muscle mass. Learn more about Optipep® Infant and Optipep® Sports.


The Optipep production process

Isolac, our whey protein isolate range, for use in performance nutrition, infant formulae, dietetic products and clinical nutrition, are high in protein (90%), low in fat and lactose. We use cross flow micro-filtration technology, a natural process that removes fat and lactose while concentrating the valuable whey protein fractions. Read more about Isolac here.>


Carbelac, our high quality whey protein concentrates offer great versatility across a wide range of food and beverages due to its functional (texture and mouthfeel enhancement) and nutritional (higher protein) benefits. Through ultrafiltration, we target premium concentrates with 35-80% protein. Read more about Carbelac here.>



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