Health Side Effects of Protein Powder Nobody Talks About

Protein is required for muscle maintenance and building a healthy body. Many people take protein powder with a glass of milk to support their health. But there has always been some controversy about the side effects of protein powder.

Some say that these powders are healthy for the body, whereas many claim that there are side effects of protein powder as well such as consistent bloating, kidney stones, liver damage, etc.

This blog will tell you the true side effects of protein powder, so that you can make the right choices for the best plant protein powder for women.

What are the common side effects of Protein powder

Certain health issues, such as bloating, gastric problems, upset stomach, sudden weight gain, acne and skin-related issues, happen when you consume protein powder. Your body is not familiar with protein due to inappropriate appetite. But if you consume the right protein with a proper balanced diet, it can be very healthy.

Heavy metals in the Protein

In 2018, the Clean Label Project tested 134 popular protein powders and found that 70% contained detectable levels of heavy metals, specifically lead, arsenic, cadmium and mercury. Plant-based protein powders showed higher contamination levels than whey protein.

Plants absorb metals from the soil they grow in. So pea, rice and hemp proteins carry those metals right into your powder. The problem is daily consumption over months. Long-term heavy metal exposure has been linked to cognitive decline, kidney damage and hormonal disruption.

Look for protein powders with NABL-Accredited certifications. These are tested for contaminants before they hit shelves.

Side-Effects to your Guts

There is sucralose, aspartame or acesulfame-K in the ingredient list of protein powders. They keep calories low and make your shake taste like a dessert.

Your gut microbiome is deeply connected to your immune system, your mood (through the gut-brain axis) and your overall energy levels. When that balance gets disrupted every single day, the downstream effects include persistent bloating, unpredictable digestion, low-grade inflammation and even mood swings.

If your digestion or mood has felt 'off' since you ramped up your protein routine, this mechanism is worth considering.

Look for protein powders sweetened with monk fruit. You must read the ingredient label.

Soy protein might affect Thyroid levels

Soy contains many phytoestrogens - these act in your body like estrogen does, and they can disrupt your production of thyroid hormones as well as interfere with how you absorb levothyroxine (a common thyroid medication) from your body's system.

Even if you do not take any kind of medication, regular high consumption of soy can cause a gradual depression of your own thyroid ability in individuals who have low-normal levels of thyroid function but do not yet have symptoms that are driven by their low function.

If these symptoms happen to you, then you would like to have your thyroid tested.

Is your Protein powder thinning your hair?

The use of whey protein will not only elevate IGF-1 (insulin-like growth factor 1) levels that promote muscle growth, but it will also elevate DHT (dihydrotestosterone), which is correlated to androgenetic hair loss in males and females.

Phytoestrogens in the soy protein likewise promote estrogen-dominance patterns in females and the associated hormone-related hair thinning effects on the female's hair. 
Not all individuals experience this side effect; however, those genetically predisposed to hair loss will likely see protein powders rapidly progress hair loss. No such symptoms have been observed with Pea and Rice protein powders like The Proteinest.

How to use Protein powder without the hidden risks?

None of this means you need to ditch your protein powder. It means you need to be a bit more intentional consumer. Here's what that actually looks like:

• Choose NABL accredited lab certified protein powders only.
• Avoid artificial sweeteners - sucralose, aspartame and acesulfame-K aren't worth the gut disruption; choose monk fruit sweetened only
• Consume fibre rich food with protein powders
• Store it properly - cool, dry, away from heat and sunlight; consider using a glass container
• Keep whole food proteins as your primary source - supplements should fill gaps, not replace meals
• Listen to your body - new symptoms after starting or increasing protein powder are data and signs

The Bottom Line

A protein powder can be anything but harmful. The ramifications to your health go far beyond bloat after one of those long post-leg-day gym sessions. Many are buried in ingredient lists and linger in your plastic tub that sat in your car all day; some others are sitting on the gut bacteria of your body. Some would be quietly sitting on your hairline and on your stress levels.

To combat this problem, you need to know what you are putting into your body. Choose your products wisely; real food should be doing the bulk of your muscle building. Your nutritional shake should, at the very least, support your well-being.
If you want to purchase an authentic and beneficial protein, then contact The Proteinest where you can find the best plant protein.

Frequently Asked Questions

1. Can protein powder cause thyroid problems?

Soy protein isolate contains phytoestrogens that can interfere with thyroid hormone absorption, especially if consumed close to thyroid medication. If you are dealing with unexplained fatigue, brain fog or cold sensitivity, a thyroid problem is worth discussing with your doctor.

2. Does protein powder affect hormones?

Whey can elevate IGF-1 and DHT levels, while soy protein introduces phytoestrogens into the body. Both have downstream effects on hormone balance, depending on your individual genetics and dosage.

3. Is plant-based protein safer than whey?

Plant based protein powder can actually carry higher heavy metal contamination from soil absorption. Third-party testing matters just as much for plant proteins as for whey. Only select a protein powder whose lab test certificates are readily available on the website for every batch.

4. How much protein powder is too much per day?

Most research suggests exceeding 2g of protein per kg of body weight daily offers diminishing muscle-building while increasing metabolic strain. One scoop per day is generally well-tolerated for most healthy adults.