|Whey Protein Isolate
|Whey Protein Concentrate
|Up to 1g
|Up to 3.5g
Potential Whey Protein Isolate Powder Benefits
Whey Protein and Muscle Gain
The primary purpose of whey protein is to enhance muscle gain and exercise performance. Protein is essential
to build lean muscle. Whey is a high-quality, complete protein, as it contains all nine essential amino
acids. Whey protein is also an excellent source of leucine, a branched-chain amino acid that promotes muscle
growth. It’s particularly effective when paired with a strength training regimen, as the combination
promotes muscle protein synthesis better than supplementation alone.
Whey Protein for Faster Workout Recovery
Whey protein isolate powder may also help muscle recover faster after exercising, particularly for intense or
exhaustive workouts. Protein may reduce delayed onset muscle soreness (DOMS) if consumed 30 minutes prior to
a workout. Whey protein isolate contains several BCAAs, which are also effective for reducing muscle
Whey Protein for Preserving Lean Muscle
Protein and leucine are beneficial for preserving lean muscle and promoting lean muscle growth. These
benefits are particularly notable among the elderly. Muscle mass declines with age, which reduces the body’s
calorie-burning capacity. Consuming protein and carbohydrates together and eating fewer than 20g of protein
per meal reduces protein synthesis in the elderly. As a result, many individuals notice a loss of muscle
tone and an increase in body fat as they age.
Whey Protein and Weight Support
While weight protein does not cause weight loss directly, it has several properties that may support other
weight loss endeavors. Whey protein isolate isn’t stimulatory, but it may boost energy through calorie
consumption and insulin interactions. Having greater energy may yield better exercise performance. Whey
protein also helps reduce appetite and improve satiety better than other protein sources. Compared to other
types of protein, whey protein has superior fat-burning properties.
Whey Protein as an Antioxidant
Glutathione is a critical antioxidant, but the body needs amino acids like cysteine to produce it. Numerous
external factors can restrict cysteine levels and impair glutathione production. As whey protein is rich in
cysteine, taking this protein supplement can help synthesize and boost antioxidant levels. Whey proteins
also help reduce oxidative stress and inflammation while enhancing other antioxidant defenses.
Potential Whey Protein Isolate Powder Side Effects
Whey protein isolate powder is well-tolerated by most individuals. Whey protein isolate powder may be the
better option for people with lactose sensitivities, as it contains minimal lactose compared to other
protein powders. Individuals should avoid taking excessive doses of whey protein isolate powder. Too much
may result in nausea, bloating, stomach pain, gas, or diarrhea.
Why is Sunflower Lecithin in PureBulk’s Whey Protein Isolate Powder?
The hydrophobic components of whey protein prevent it from dissolving in water without aggressive shaking.
Shaking can cause denaturation, which changes the chemical structure of proteins. Sunflower lecithin acts as
an emulsifier, which allows whey protein isolate to disperse in liquids easily and prevents mechanical
Lecithin is available as sunflower lecithin and soy lecithin. PureBulk uses sunflower lecithin for its
superior properties. Individuals with soy allergies can’t consume products made with soy lecithin. Soy may
interfere with hormones over time as well. Soy lecithin often comes from genetically modified organisms
(GMOs). Extracting lecithin from sunflower seeds is a gentler process and doesn’t require harsh chemicals.
PureBulk’s whey protein isolate is free of sugar, taste additives, preservatives, and fillers. We deliver
whey protein isolate powder in a tight, vacuum-sealed bag. Our whey protein powder has an excellent taste,
but individuals can add sweeteners if desired.
Tested by Accredited 3rd Party Labs
PureBulk's supplements are tested by accredited third party labs in the USA to ensure their identity, purity
and potency. To receive a copy of these test results or any other PureBulk supplement please fill out the COA request form found here.