Pea Protein

Pea Protein

Pea Protein

With age, people often unwittingly fail to ingest sufficient protein in their diets.

Protein is a major building block in our body. It is especially important to help preserve muscle mass.

If you are not already ingesting excess calories, an easy way to ensure against protein insufficiency is a concentrated powder made from high-quality organic peas.

Studies show that older adults may need anywhere from 11% to 250% more protein than adults in general.1-9

Old or young, protein is essential as a supply of amino acids. These proteins are transformed into functional proteins that take care of almost every physiologic need from cell structure to waste clearance.10

Sufficient amounts of protein are needed to inhibit sarcopenia—the age-related muscle loss that boosts the risk of frailty, falls, and disability.11-14

But whey, egg, and soy protein supplements may be off-limits for those who are allergic to dairy, egg, or soy or are lactose intolerant, vegetarian, or vegan.

Researchers have been eager to find a plant-based protein supplement that is nutritious, hypoallergenic, and high in essential amino acids. A new pea protein powder provides low-fat protein with high digestibility—free of dairy, egg, soy, lactose, gluten, and sugar.

This plant-based protein contains muscle-promoting branched-chain amino acids and glutamine that can help avert age-related muscle loss and promote recovery from exercise.

Retaining Muscle Mass While Aging

Retaining Muscle Mass While Aging  

Aging is associated with a marked reduction in cellular protein synthesis.15

Muscle strength and function diminishes after 40. That loss—called sarcopenia—accelerates after the age of about 75, even among those who have been physically active throughout their lives.11,14,16

Since muscles generate much of the mechanical stress required to keep bones healthy, the reduced muscle activity from sarcopenia may increase susceptibility to osteoporosis. A 2016 study suggested there is significant “cross-talking” between muscle and bone cells,17 potentially setting up a cycle of declining health.

Muscle loss also hikes the risks that follow surgery or traumatic events, because muscles act as a “metabolic reservoir” of amino acids that maintain the protein synthesis required for survival and recovery.18,19

Fortunately, the use of protein supplements, especially when combined with exercise, has been demonstrated to have an anabolic, or tissue-building, effect on muscle mass among aging adults.20-22

Daily supplementation with 15 grams of essential amino acids—the building blocks of protein—was found to increase muscle synthesis and lean body mass in older women within three months, “possibly offsetting the debilitating effects of sarcopenia.23

Additionally, research has linked a diet low in calories, but rich in high-quality vegetable protein, to reduced cardiovascular-risk profiles in adults of all ages, including LDL-cholesterol and blood pressure.24

And clinical research reveals that older individuals require a higher daily intake of protein than normally recommended for younger persons.1-9

Aging adults—along with vegans, vegetarians, the lactose-intolerant, those with allergies to dairy, soy, or egg, and people concerned about the GMOs commonly found in soy—now have a high-quality alternative in high-quality protein derived from the pea plant.


Pea protein has been shown to exert numerous healthful effects when taken by aging humans.

In 2016, scientists showed that meals high in pea (and bean) protein favorably affected appetite regulation more so than meals high in animal protein, with similar energy and protein content. The legume protein-rich meals resulted in reduced appetite scores, hunger, and prospective consumption, and a greater sensation of postprandial (after-meal) fullness.25

Supplemental pea protein is now available in a proprietary formula that contains no common allergens such as dairy or egg, while delivering:

• Beta-glucan fiber, which supports healthy cholesterol and postprandial blood sugar,26-30

• Agave inulin and FOS (fructooligosaccharides), prebiotics that support digestive and immune health,31-33

• Branched-chain amino acids (BCAAs), which promote muscle synthesis,34,35 and

• Glutamine, which is a key amino acid in a number of metabolic functions.36-38

While pea protein has BCAA values comparable to those in the “gold standard” protein supplements whey, egg, and casein, it provides significantly higher amounts of arginine, which is essential for nitric oxide synthesis.39

What You Need to Know
Pea Protein

Pea Protein

  • As we age, our protein requirements increase. Without adequate dietary or supplementary protein, older individuals are at increased risk for sarcopenia—the age-related loss of muscle tissue that increases the risk of disability.
  • Experts recommend that older persons may need 11%-250% more protein than an average adult.
  • A new pea protein supplement provides a low-fat protein option with high digestability—free of dairy, egg, soy, lactose, gluten, and sugar.
  • It provides branched-chain amino acids and beneficial glutamine and arginine.

Glutamine: Critical Muscle and Whole-Body Support

Glutamine—the most abundant amino acid in the body, is highly concentrated in the skeletal muscles.40,41

Research indicates that output levels of human growth hormone increase four-fold after supplementing with glutamine.42 Glutamine can also help replenish muscle stores of glycogen after exercise,43 providing a ready fuel source for muscles.

In addition to its effects on exercise, glutamine contributes to a number of key functions, including support for the immune system and prevention of infections and improved gut barrier function.37

During stressful states of illness or injury, glutamine becomes “conditionally essential,” meaning that the body cannot supply an adequate amount and it must be taken in from food or supplements.37,44 A wealth of evidence indicates that this amino acid can play a key role in treating serious and critical illnesses,45-48 injuries,49 infections,48,50 and postoperative wound-healing.37,51,52

Branched-Chain Amino Acids Inhibit Muscle Loss

Abundant in pea protein are the three essential branched-chain amino acids—leucine, isoleucine, and valine—which play an important role in muscle protein synthesis and muscle recovery, damage, and fatigue during and after exercise.53-58 BCAAs have also been shown to reduce muscle damage, inflammation, and perceived exertion and fatigue during exercise.59

BCAAs are transported and metabolized differently than other amino acids. Instead of being broken down in the liver, they enter the bloodstream and are absorbed directly into the skeletal muscle. There, they pass into the mitochondria, which are the cells’ powerhouses.60

Human research examining this novel handling of BCAAs in the bloodstream and in skeletal muscle has suggested that BCAAs play a critical role in muscle recovery from fatigue or from intensive physical activity such as resistance training.53-58 They may also act as performance enhancers.61

Amino acid mixtures that have been enriched with BCAAs have shown promise for improving the muscle-wasting of sarcopenia in elderly humans, who were demonstrated to gain muscle mass during treatment.62 This implies that BCAAs may be effective in other conditions characterized by debilitation and muscle loss.

Complementary Beneficial Nutrients

Complementary Beneficial Nutrients  

Agave-derived inulin and fructooligosaccharides (FOS)—both of which are powerful prebiotics—as well as gluten-free oat bran, which contains beneficial beta-glucans, offer added health benefits to pea protein alone.

The long-chain prebiotic inulin, extracted from agave plant fiber, arrives at the colon intact and remains longer, and supports the growth of the beneficial intestinal bacteria, including Lactobacilli and Bifidobacteria.32,33 Together, inulin and FOS favorably transform the composition of the gut microbiota to maintain digestive health and immunity.31-33

Animal studies have shown that inulin-based prebiotics may improve ulcerative colitis,63 prevent the initiation of colon cancer,64,65 lower cholesterol and triglycerides,66 and support calcium absorption for better bone health.67

Oat bran is a source of the soluble fiber beta-glucans, which has been shown to promote a healthy postprandial glycemic response30 and significantly reduce plasma cholesterol levels.26

Pea protein delivers essential nutrients to help protect against muscle-wasting, it also protects against a wide array of diseases.

Pea Protein Validated in Human Studies

Published research shows that—well beyond protecting against sarcopenia—pea protein promotes beneficial effects including:

• Weight Loss: Pea protein was demonstrated in a clinical study to induce a feeling of fullness or satiety,25 and in an animal study to significantly lower the hunger hormone ghrelin.68 Both of these effects would reduce food intake. As a result, pea protein may help with weight-loss. Many people neglect protein when dieting. This is regrettable because of pea protein’s satiety and hormonal effects that can help the body burn fat faster.

• Healthier Heart: Pea protein decreases blood pressure.69 In addition, a group of researchers found that, compared to a low-carbohydrate diet based on animal sources, a vegetable-based low-carbohydrate diet is associated with lower all-cause and cardiovascular disease rates.70

• Lower Blood Sugar: Blood glucose levels may be reduced after consumption of a combination of pea protein and fiber, which suggests the potential for enhanced glycemic control. A 2014 study found that adding pea protein and fiber to a meal results in a blood sugar level that is lower at 30 minutes, compared to a control meal. The study author concluded that, “This trial supports the use of pea components as value-added ingredients in foods designed to improve glycemic control.”71

Sugar-free pea protein is the ideal alternative for those who are unable to take dairy-based, egg, or soy-protein supplements but wish to prevent sarcopenia and other age-related conditions.


older individuals may need more protein  

Studies show that older individuals may need more protein than adults in general, especially if they want to prevent sarcopenia, the age-related loss of muscle tissue that increases the risk of frailty and disability.

The good news for vegans and those with food intolerances is that a new 100% organic pea protein supplement provides a nutrient-dense, low-fat protein that is high in essential amino acids, with excellent digestibility—free of dairy, egg, soy, lactose, gluten, and sugar.

Those already over-consuming protein calories should not take pea or other bulk protein supplements as they may accelerate certain aging processes


By Michael Downy

Article extracted from Life Extension Magazine

Scientific Journal References (PDF)

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