Whey - Virgin Whey Protein Isolate 450g | discontinued

VirginWheyIsolate_450g
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Jarrow Formulas Virgin Whey Protein Isolate is is considered a virgin whey protein because it is made directly from milk. Normally, whey protein is a concentrated by-product of cheesemaking.

Jarrow Formulas Virgin Whey Protein Isolate is derived directly from fresh milk and is processed at low temperature to better preserve the native characteristics of whey protein. Due to minimal processing, Virgin Whey Protein Isolate retains more of whey protein’s beneficial components, such as immunoglobulins, lactoferrin and serum albumin.
Virgin Whey Protein Isolate is rich in essential amino acids (approximately 12g per serving), and specifically higher in leucine, cysteine and tryptophan compared to whey protein as a by-product of cheesemaking.

benefits
• pure whey derived directly from fresh milk (not a by-product of cheese making)
• processed at low temperatures to preserve native bioactive whey protein fractions
• 22g undenatured protein per serving
• 12g essential amino acids (rich in branched chain amino acids) per serving
• 100% fat-free
• supports lean body mass/healthy body composition, appetite control, and energy metabolism
• naturally rich in cysteine to support healthy glutathione levels to combat oxidative stress

background reading

Whey protein is one of the most well researched proteins recognized as a functional food with bioactivity that positively influences many aspects of health.
Conventional whey proteins are a by-product of cheese making, which involve heat exposure and acidification.
The composition of whey varies depending on the processing employed and the protein is often substantially denatured.
Jarrow Formulas Virgin whey protein Isolate (WPI) is a highly concentrated source of the natural, native (undenatured) bioactive whey protein fractions isolated directly from milk at low temperatures which results in a consistent protein composition with preserved biological activity and higher content of key amino acids (AAs) leucine, cysteine, and tryptophan than found in conventional whey protein produced as a by-product of cheese making.

The Many Benefits of Undenatured Whey Protein
Metabolic effects of whey protein are attributed to its distinct rate of absorption and AA composition.
Whey protein is “fast” with regard to rate of absorption and the appearance of AAs in circulation, which profoundly impacts the metabolic regulation of multiple tissues to influence whole body energy metabolism.
Physiologic functions of bioactive proteins and peptides derived from undenatured whey protein include promotion of immune function and gastrointestinal health, protection against pathogenic microorganisms and toxins in the intestinal tract, facilitation of mineral and fat-soluble nutrient absorption, and anti-inflammatory effects.

Whey Protein is high biological and value protein rich in essential AAs. It is nature’s richest source of the branched chain AAs (BCAAs): leucine, isoleucine, valine.
BCAAs, especially leucine, serve multiple roles in metabolism: promote protein synthesis,key energy substrates for muscles during exercise and metabolic stress, recovery, and caloric restriction. BCAAs are primary nitrogen donors for the production of glutamine in muscle.

Compared to other proteins, whey protein is a rich source of cysteine.
Availability of cysteine is rate limiting for intracellular production of glutathione (GSH), a vital antioxidant and detoxification agent.
GSH, a small tri-peptide found in cells, cannot enter most cells directly and therefore, must be made inside the cell from its 3 constituent AAs: glutamate, cysteine, and glycine.
GSH is required in many intricate steps of an immune response.
Undenatured whey protein supplementation has been shown to boost tissue levels of GSH to support immune function and replenish levels that have been depleted during conditions characterized by chronic oxidative stress.
Whey protein in its undenatured form appears to be a crucial factor in the bioavailability of cysteine for GSH synthesis inasmuch as cysteine can be oxidized/degraded in the gastrointestinal tract.Curiously, the same amount of egg white protein with identical cysteine content is ineffective at raising tissue glutathione levels.

Elevated levels of sugars and lipids in the blood can promote oxidative stress and inflammation to perturb metabolic functions, especially over time.
Consumption of whey protein prior to meals has been shown to reduce the post-meal rise of sugars and lipids in the blood.

Preservation of Muscle Mass & Healthy Body Composition
Whey protein supplementation has been shown to promote a healthy body composition, particularly when used in conjunction with resistance exercise.
The ability of ingested protein to stimulate muscle protein synthesis resides in the serving size (i.e., rise in blood AA levels, especially leucine) and composition of AAs.
Unlike other high-quality protein sources, whey protein is rapidly absorbed to markedly increase AA concentrations in the blood to stimulate muscle protein synthesis.
When consumed as part of a fat and carbohydrate containing meal, whey protein strongly and persistently reduced muscle protein breakdown and enhanced muscle protein synthesis.

Whey protein supplementation may be particularly effective for improving muscle mass and function with advancing aging to limit age-associated muscle loss.
Clinical research has shown that ingestion of as little as 8.7g of undenatured whey protein as found in Jarrow Formulas Virgin Whey Protein doubles the amount of leucine in the blood to promote post-meal muscle protein synthesis.
Additional clinical studies showed short-term (10 days) supplementation with 15g undenatured whey protein, but not the equivalent amount of casein protein, enhanced synthesis of skeletal muscle proteins in elderly men and regular supplementation (4 months) with 10g reduced muscular fatigue in middle-aged men.

Whey protein supplementation may be particularly effective for improving muscle mass and function with advancing aging to limit age-associated muscle loss.
Clinical research has shown that ingestion of as little as 8.7g of undenatured whey protein as found in Virgin Whey Proteindoubles the amount of leucine in the blood to promote post-meal muscle protein synthesis.
Additional clinical studies showed short-term (10 days)supplementation with 15g undenatured whey protein, but not the equivalent amount of casein protein, enhanced synthesis of skeletalmuscle proteins in elderly men and regular supplementation (4 months) with 10g reduced muscular fatigue in middle-aged men.

Protein ingestion stimulates post-meal energy expenditure and satiety more than carbohydrates or fat. Whey protein ingestion was shown to elicit greater energy expenditure than casein or soy protein.
Furthermore, consumption of whey protein prior to a meal was shown to reduce hunger and food intake, and increase feelings of satiety when consuming fewer calories compared to casein protein.

code GTIN
0790011210511
code MPN
NATV-121051
availability
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recommended use
Mix one heaping scoop (approx. 25 g) of Jarrow Formulas® Virgin Whey Protein Isolate with 180-240ml of cold water, milk, almond milk or juice, or make a smoothie, by blending with water, ice and fruit.
Drink it at breakfast, before a training, again at bedtime or as directed by a qualified physician.

contains per daily serving (1 heaping scoop/25g) / per 100g
energy 90 /360 kcal
protein 22 / 88 gram
carbohydrates <1 / <4 gram
- as sugar <1 /<4 gram
- as fiber 0 / 0 gram
fats 0 / 0 gram
- as saturated fat 0 / 0 gram
cholesterol 0 / 0mg

sodium 25 / 100 mg
potassium 100 /400 mg
calcium 8% / 32% RDI
iron <2% / <8% RDI
vitamin A: <2% / <8% RDI

RDI : Recommended Daily Intake

ingredients
whey protein isolate (from milk) and emulgator (soy lecithin)

storage
keep dry and closed at normal room temperature between 15 - 22°C.

warning
This product can be a part of your weight-management regimen, but is not a complete nutrient source and so should not be used exclusively for weight loss. This product contains no added L-Tryptophan.

allergy information
contains milk and traces of soy (lecithin)
contains no other familiar allergens (wheat, gluten, lupin, nuts/tree nuts, celery, mustard, sesame seeds, egg, fish/shellfish or mollusks)

vegetarians/vegans
contains cow's milk
suitable for vegetarians

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