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    Brands >  Life Extension

Whey Protein Isolate (Natural Vanilla Flavor) 454 g (1 lb) by Life Extension

Whey Protein Isolate (Natural Vanilla Flavor) 454 g (1 lb) by Life Extension

Scientists have known for years that certain biological components of whey protein (including lactoferrin, beta-lactoglobulin, alpha-lactalbumin, glycomacropeptide, and immunoglobulins) have a beneficial impact on the immune system. Life Extension offers a specially designed whey protein isolate, using proprietary production methodology, to help support healthy immune function, protect against free radical attack, and help maintain lean muscle mass. Using a low temperature microfiltration technique, is it possible to produce a high-quality, 98% undenatured whey protein isolate that retains all the important sub-fractions, such as lactoferrin, a strong antioxidant with immune-supporting properties.

Typical Amino Acid Profile
(Approximate g per serving):

  • Alanine 1.01 g
  • Arginine 0.35 g
  • Aspartic Acid 1.96 g
  • Cysteine 0.41 g
  • Glutamic Acid 2.68 g
  • Glycine 0.33 g
  • Histidine 0.21 g
  • Isoleucine 1.17 g
  • Leucine 1.75 g
  • Lysine 1.52 g
  • Methionine 0.35 g
  • Phenylalanine 0.51 g
  • Proline 1.09 g
  • Serine 0.82 g
  • Threonine 1.32 g
  • Tryptophan 0.16 g
  • Tyrosine 0.43 g
  • Valine 1.05 g

Suggested Use: Mix one scoop in approximately 4 to 8 ounces of water, milk or juice (to taste) daily, or as recommended by a healthcare practitioner. This product mixes best in room temperature liquid.


Serving size: 1 Scoop (20 g)
Servings per Container: About 23
Per Serving
% Daily Value
Calories 75
Calories from Fat 0
Total Fat 0 g 0%
Saturated Fat 0 g 0%
Trans Fat 0 g *
Cholesterol <5 mg 2%
Sodium 40 mg 2%
Potassium 75 mg 2%
Total Carbohydrate <0.5 g 0%
Dietary Fiber 0 g 0%
Sugars 0 g *
Protein 17 g *
Calcium 83 mg 8%
Phosphorus 42 mg 4%
Magnesium 15 mg 4%
* Daily Value Not Established
Percent Daily Values are based on a 2,000 calorie diet.

Other Ingredients:
Provon 292 rBST Free whey protein isolate, natural vanilla flavor, soy lecithin, maltodextrin, modified food starch, stevia extract.

Contains milk and soybeans.

This product contains whey protein isolate from cows not treated with growth hormone (rBST). The whey protein is made using a process known as Cross Flow Microfiltration, which produces an isolate that is 90% protein, 98% of it in the bioavailable undenatured form, and retains all important subfractions in their natural ratios.


  • Keep out of reach of children.
  • Do not exceed recommended dose.
  • Do not purchase if outer seal is broken or damaged.
  • When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

Size: 454 g (1 lb)

Product ID: LX17421

Your Price: $24.95

You can also order by calling

While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. assumes no liability for inaccuracies or misstatements about products. 

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