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All You Need To Know: Whey Protein

Here are all the wheys about wheys

From bodybuilders to healthcare professionals, everyone champions whey as an essential dietary supplement. Its reputation as a muscle builder persists, yet myths about kidney damage and muscle-to-fat conversion persist. In this comprehensive guide, we dispel these myths and shed light on everything you need to know about whey protein.

Read More: How To Trick Your Body Into Not Eating Too Much?

Whey’s Ancient Roots as Livestock Feed

Whey has graced human history for millennia, notably in the Western world. Its medicinal attributes date back to the era of Hippocrates, and farmers have employed it as a nutritional supplement. Originating as a byproduct after curdling and straining milk, whey found its place as livestock feed.

With the surge in dairy demand during industrialization, surplus liquid whey became commonplace, especially with the booming cheese industry. It takes a staggering 9 litres of whey to produce just 1 kg of cheese. The dairy industry’s growth led to the commercialization of whey as a “muscle-building” food during the ’60s and ’70s, a perception that endures today.

liquid whey is extracted after cheese-making

The Molecular Tapestry of Whey

  • Protein Powerhouse: Whey protein reigns supreme in whey, comprising diverse proteins like beta-lactoglobulin, alpha-lactalbumin, immunoglobulins, and lactoferrin.
  • Natural Sweetness: Lactose, the natural sugar in milk, imparts a subtle sweetness to whey.
  • Fatty Balance: Whey contains a blend of saturated and unsaturated fats, with variability in fat content depending on the processing method.
  • Essential Minerals: Vital minerals such as calcium, potassium, phosphorus, sodium, and magnesium abound in whey, supporting various bodily functions.
  • Liquid Core: Predominantly composed of water, whey represents milk’s liquid fraction.
  • Vitamin Tidbits: While whey contains vitamins like riboflavin (B2) and cobalamin (B12), their concentrations are relatively low compared to other nutrients.
  • Antibody Arsenal: Immunoglobulins, or antibodies, in whey, bolster the immune system.
  • Lactalbumin’s Gift: Whey boasts lactalbumin, a protein rich in essential amino acids.
  • Lactoferrin’s Versatility: The special protein lactoferrin in whey serves multiple functions, including antimicrobial activity and immune system modulation.
  • Peptides of Promise: Bioactive peptides, small protein fragments, offer potential health benefits like antioxidants or blood pressure regulation.
Read More: Want To Lose Weight Without Counting Calories? Here’s How.

The Trio of Whey Types

  • Whey Protein Concentrate (WPC): The least processed form, containing 70-80% protein by weight, complemented by minerals, peptides, and water.
  • Whey Protein Isolate (WPI): Extensively filtered, WPI boasts at least 90% protein by weight, yielding leaner, protein-rich products albeit at a higher cost.
  • Whey Protein Hydrolysate (WPH): Subject to enzymatic hydrolysis, WPH breaks down proteins into smaller peptides. This partial pre-digestion makes it more digestible, particularly for those with lactose intolerance or sensitive stomachs. It finds application in infant formula and medical protein supplements.

The Health Potentials

A recent meta-analysis explored whey protein’s influence on muscle recovery post-resistance exercise. It revealed a favourable impact, especially in enhancing knee extensor strength when whey protein was consumed within 24 to 96 hours post-exercise.

However, it’s vital to acknowledge that this study had certain limitations, focusing primarily on one aspect of muscle recovery. Therefore, its findings might not comprehensively represent whey protein’s overall benefits. 

Another meta-analysis delved into whey protein’s effect on body composition, especially in conjunction with resistance training or weight management diets. This research concluded that whey protein can positively influence body composition by increasing muscle mass and potentially aiding in weight control. 

This underscores whey protein’s value as a supplement for regular exercisers and those striving for weight management.

High In Protein Quality And Absorption

Whey stands as a protein-dense source, providing all 9 essential amino acids in a complete profile (histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine).

With high bioavailability, rapid absorption, excellent solubility, and affordability, whey’s versatility shines. Whether used as a flour substitute or to supplement a low-protein diet, whey offers an economical solution to meet your protein requirements efficiently.

Read More: The Ultimate Guide To Running A Fast 2.4km

Lactose Intolerance Alert

Lactose, the sugar compound in milk, plays a pivotal role in whey. For individuals with lactose intolerance, symptoms like hives, stomach upset, vomiting, and anaphylaxis may emerge due to their inability to digest lactose.

Historically, approximately 90% of Asians developed lactose intolerance due to dairy farming limitations during ancient times. Consequently, evolution eliminated the need for lactose-digesting enzymes for later generations.

If you frequently visit the restroom or experience flatulence, it’s advisable to seek alternative options. Although many may choose to persist.

Debunking Whey Myths

Myth 1: Whey Protein Causes Kidney Damage: In healthy individuals, moderate protein intake is generally safe and does not harm the kidneys. However, people with pre-existing kidney conditions should consult a healthcare professional about their protein intake.

Myth 2: Whey Protein Causes Digestive Issues: Digestive discomfort from whey protein is not common but can vary among individuals. High-quality whey protein and proper consumption can minimize these issues.

Myth 3: Drinking Whey Without Exercising Will Turn Muscles Into Fat: Eating too much of anything will make you fat. If you leave a piece of wood out, it will not turn into steel. Muscles and fat are two completely different cell types. The reason you are gaining weight is that you ate more than what your body requires.

Myth 4: Whey Protein Is Harmful for People with Lactose Intolerance: Many whey protein products are processed to remove most of the lactose, making them well-tolerated by individuals with lactose intolerance.

Myth 5: You Need to Take Whey Protein Immediately After a Workout: The “anabolic window” is longer than previously thought, and consuming protein within a few hours after exercise can still be beneficial.

Myth 6: Whey Protein Is Unnatural or Unsafe: Whey protein is a natural by-product of milk processing, and high-quality supplements undergo safety testing. Ultra-processed foods like store-bought bread, chips, and fast foods have greater detrimental effects on our health, yet, most of you are still eating them.

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