HomeDietIs Protein Powder Wholesome? Dietitians Reply Prime Questions

Is Protein Powder Wholesome? Dietitians Reply Prime Questions


We’re registered dietitians who create recipes anybody can get pleasure from, and typically, we use protein powder in our recipes. We’ve even written about our favourite whey and plant-based protein powders after intensive testing.

This results in many questions from our readers about whether or not or not they really want protein powder — or even when they need to be involved about utilizing it.

Right here’s a listing of the commonest questions our readers ship of their emails and feedback about the advantages of protein powder (and the potential dangers)! If you wish to add yours, simply drop a remark on the backside of this submit, and we’d like to reply.

Overhead view of a variety of protein powders in small white bowls.

Ought to I Be Apprehensive About Heavy Metals In My Protein Powder?

With any dietary complement, high quality ranges will fluctuate fairly a bit — in contrast to meals and drug merchandise, the FDA doesn’t regulate or check them. The protein dietary supplements market is saturated with choices, and a few of them are going to be not-so-great whereas others have a clear and efficient ingredient profile. And sure, heavy metals have been present in protein powders, though simply the presence of a few of these compounds isn’t all the time as regarding as it’d sound.

In 2018, the Clear Label Challenge carried out an unbiased research of 134 top-selling protein powders (in line with Nielsen and Amazon knowledge) from 60 completely different manufacturers. The checks confirmed some alarming outcomes. Of the protein powders examined:

  • 70% had detectable ranges of lead
  • 74% had detectable ranges of cadmium
  • 55% had detectable ranges of BPA
  • Plant-based protein powders (as a class) had extra heavy metals than whey protein powders
  • 75% of plant-based protein powders examined constructive for lead 
  • One protein powder examined had 25x the allowed regulatory restrict of BPA in only one serving
Close up view of protein powder in a white bowl with a gold spoon beside it.

These are scary stats, however let’s put these outcomes into perspective somewhat bit.  

Heavy metals are naturally occurring substances within the earth’s crust and soil. So, many issues that develop within the soil comprise detectable ranges of heavy metals like cadmium, lead, arsenic, and mercury. That’s why it is sensible that the plant-based protein powders on this research contained extra heavy metals than the animal-based protein powders. 

Your physique has heavy metals in it, and people even want sure ranges of iron, cobalt, copper, manganese, molybdenum, and zinc for the synthesis of key enzymes and for oxidation discount

This specific research has been criticized as a result of the information doesn’t differentiate between detectable ranges of heavy metals and acceptable ranges. Merely having detectable ranges doesn’t create a human well being danger. However persistently getting average to excessive ranges of them does impose a danger of toxicity, which is why it’s finest to goal for a protein powder that has acceptable ranges of heavy metals, if any in any respect.

All the time verify for third-party testing. The perfect factor to do with protein powders (and any complement) is to make use of all the information that’s out there to you. The outcomes of the Clear Label Challenge protein powder evaluation are one supply that we depend on. We additionally look to guarantee that any protein powders we use or suggest are third-party examined for contaminants by organizations like NSF Worldwide, ConsumerLab, Knowledgeable Sport, and U.S. Pharmacopeia. 

Manufacturers that conduct third-party testing are usually happy with that truth, so a fast search on their product packaging and/or web site can often let you know if they’re third-party licensed and by whom.

Overhead view of a blender filled with protein powder, spinach, and ice ready for blending.

Will It Assist Me Lose Weight?

Utilizing protein powder isn’t a direct line to weight reduction. You possibly can shed weight no matter how a lot protein you eat. What protein powder (or protein normally) can doubtlessly do is provide help to keep muscle mass whereas dropping physique weight. It’s not unusual to lose muscle whereas losing a few pounds should you’re not getting sufficient protein.

Including protein powder to your drinks and meals, with out making every other alterations to your weight-reduction plan, is not going to essentially end in weight reduction. In reality, it may trigger weight achieve by including extra energy (and possibly much more added sugars, relying on the model) to an in any other case unchanged consumption of vitamins.

Nevertheless, boosting protein in smoothies and different recipes whereas additionally growing fiber consumption can assist you’re feeling extra full from meals and end in smaller parts, fewer meals cravings, and fewer senseless snacking over the day. If that’s the case, and also you’re additionally consuming fewer added sugars all through the day whereas growing protein consumption, then protein powder can assist you keep muscle mass (aka “not lose muscle”) as you pursue a weight reduction plan.

Will It Assist Me Construct Muscle?

Sure, consuming protein is crucial to the muscle-building course of, so getting additional day by day protein through powders can assist. Whether or not you are attempting to take care of muscle whereas losing a few pounds or bulk up and construct muscle, you’ll wish to goal for an quantity of protein that accounts for 30-35% of your day by day energy. 

For somebody following a 2,000 calorie weight-reduction plan, that will seem like consuming 600-700 energy from protein, or 150 to 175 grams of protein. Since that’s a variety of protein to get in a single day, including 1-3 scoops of protein powder to your day, spaced out amongst meals, snacks, and/or fluids is one technique that will help you get that a lot protein.

Close up view of baking ingredients being stirred in a glass bowl by wooden spatula.

Do I Really Want This?

Actually not everybody wants or ought to use protein powder. Nevertheless, it may be a way more handy choice for growing your complete protein consumption in comparison with including a considerable amount of protein-rich meals.

The rationale many individuals do use a protein powder is as a result of they discover that they’re not getting near their advisable protein consumption for his or her age, gender, and exercise degree. Or, possibly they simply don’t eat high-protein meals fairly often.

Whey protein powder offers between 20-25 grams of protein per single scoop, so it may be a easy and efficient technique to enhance protein rapidly. Merely stirring a scoop right into a cup of espresso, oatmeal, or yogurt is a reasonably large protein payoff for little effort.

You may as well get the same quantity by consuming 3 ounces of cooked hen, beef, turkey, seafood, or pork, or 1 cup of cottage cheese, for instance.

Some individuals who may benefit from the next protein consumption, whether or not that’s from a protein powder or different sources, are:

  • older adults experiencing muscle loss, which is a pure development that begins for most individuals of their 30s and accelerates considerably round ages 50-60 (generally known as sarcopenia)
  • folks recovering from an sickness or an infection, extreme burns, or surgical procedure
  • bodily lively folks and athletes who’ve elevated put on and tear on muscle tissue
  • folks attempting to shed weight with out shedding muscle
  • folks attempting to realize muscle mass
  • somebody with a malabsorption or inflammatory difficulty, resembling Crohn’s illness, celiac illness, cystic fibrosis, and a few cancers
  • somebody who’s pregnant (particularly within the 2nd and third trimester) or breastfeeding
  • vegetarians and vegans who aren’t intentional about getting protein each day or who don’t get them from a wide range of plant-based sources

Is It Protected To Use Protein Powder Each Day?

Sure, it’s secure for many wholesome adults to eat protein powder day by day. And a constant consumption of protein powder may even present some research-backed advantages resembling sustaining a wholesome weight, lowered blood stress, improved satiety and fewer starvation cravings, and constructing muscle.

What it’s not secure to do is to make use of extreme quantities of protein powder each day, which may result in kidney harm. Along with getting protein from meals, a secure and wholesome consumption of protein powder is 1-3 servings day by day.

What Will Occur If I Get Too A lot Protein?

It is potential to get an excessive amount of protein. In case you do, you’d be placing extra pressure in your kidneys, inflicting intestinal discomfort and diarrhea, and you possibly can additionally expertise complications, fatigue, irritability, and/or weight achieve.

However getting an excessive amount of protein is fairly uncommon, because you’d be having to eat a ton of protein-rich meals or take 10+ scoops of protein powder day by day (factoring in no different dietary protein) to get to dangerously excessive ranges.

The tolerable higher restrict (the best you possibly can safely go) for wholesome adults is 3.5 grams of protein for each kg of weight (or 1.6 grams of protein for each pound you weigh). For instance, an individual who weighs 160 lbs mustn’t exceed 256 grams of protein in a day (160 x 1.6 = 256).

Close up view of protein powder in a small white bowl with a spoon beside it full of a scoop of the powder.

What Components Ought to I Look For? Which Ones Ought to I Keep away from?

Some elements that point out the next high quality sort of protein powder are: 

  • whole-food protein sources, resembling grass-fed whey, peas, brown rice, quinoa, hemp seeds, pumpkin seeds, chia seeds, and even watermelon seeds
  • if utilizing a whey protein for constructing muscle, search for one with 3 particular BCAAs (branched chain amino acids): leucine, isoleucine, and valine
  • zero sweeteners OR pure sweeteners in low quantities, resembling coconut sugar, natural cane sugar, stevia, monk fruit, Reb-M (fermented sugarcane), or erythritol
  • some protein powders additionally comprise omega-3s, which could be useful for minimizing post-exercise soreness
  • blends that embody digestive enzymes (resembling lactase, protease, amylase, and lipase) could be useful should you expertise bloating, cramps, or fuel ache after utilizing protein powder

Some elements to keep away from in protein powders are: 

  • synthetic colours, sweeteners, and flavors (they don’t trigger hurt in small quantities, however it’s finest to keep away from them in merchandise you employ each day) 
  • fillers like maltodextrin, cornstarch, or cellulose (they enhance quantity with out offering vitamin)
  • excessive sugar ranges (this may vary from 0 to twenty+ grams per scoop)
  • dietary allergens that you could be wish to keep away from, resembling nuts, eggs, dairy, gluten, or soy

Ought to I Use Whey Protein Or A Plant-Primarily based Choice?

Whey protein powder offers extra protein (usually 20-25 grams per scoop) than plant-based powders (usually 15-20 grams per scoop) and it’s extra environment friendly to your physique to digest. Additionally, as a class, whey- and casein-based powders comprise fewer heavy metals than plant-based powders.

There are some research that present plant-based protein powders will not be as efficient at constructing muscle as animal-based protein powders are, however different research present little distinction. Technically, plant-based choices like pea protein aren’t “full proteins,” which means they don’t comprise all 9 important amino acids, however this isn’t mandatory in your protein powder should you’re hitting your protein wants with meals, too.

If you’re vegan, 100% dairy free, or extremely delicate to lactose, a plant-based protein powder is the most suitable choice. Aside from that, it actually comes down to private desire.

Overhead view of a blender containing chocolate protein powder, avocado, banana slices, and spinach leaves ready for blending.

Will Soy Protein Powder Disrupt My Hormones?

Brief reply: No.

There are rumors on the market that the phytoestrogens in soy protein can enhance breast most cancers danger, trigger thyroid hormone imbalances, contribute to infertility, and even trigger males to develop “man boobs.” However these rumors have been debunked by science, with a meta evaluation of medical research exhibiting that there’s no hormonal impact in males or girls.

A plus for soy-based protein powders is that they’re the one single-ingredient plant-based protein that gives all 9 important amino acids. One research even confirmed that it created muscle progress matching that of whey protein.

A draw back for soy-based protein powders (and why they don’t seem in our checklist of high plant-based choices) is as a result of almost all of them are based mostly on soy protein isolate. It’s a closely processed ingredient that makes use of chemical compounds to strip soybeans down right into a protein-rich white powder whereas eradicating all of the useful fiber and minerals. This course of may go away behind undesirable residues, resembling hexane, aluminum, and nitrites.

Why Is There Ldl cholesterol In Whey Protein Powder?

Any animal-based product accommodates some quantity of ldl cholesterol. And since whey protein is produced from the milk of cows, it accommodates some ldl cholesterol, too, identical to steak, milk, eggs, cheese, and hen. Whey protein accommodates about 100 milligrams of ldl cholesterol per serving on common.

Opposite to well-liked perception, consuming meals that comprise dietary ldl cholesterol doesn’t have a direct impact on blood ldl cholesterol. In reality, analysis reveals there’s no correlation between dietary ldl cholesterol consumption and the event of heart problems. As a substitute, the most important influence on blood lipid ranges (like complete ldl cholesterol, HDL ldl cholesterol, and LDL ldl cholesterol), are the combination of carbohydrates and fat in your weight-reduction plan.

Since protein powder will not be usually a high-carb or high-fat product, its influence on blood levels of cholesterol is mostly not a priority.

Overhead view of a bag of Puori Protein powder and a dish filled protein powder beside it.

Which Protein Powder Ought to I Use?

Since we get requested about protein powders so usually, we created our checklist of favourite whey protein powders and plant-based protein powders. Examine these posts out for much more particulars on those we suggest. 

Over a number of months, we reviewed ingredient labels at size, checked for high quality requirements and third-party testing, examined them for solubility in liquids and in baked items, tasted them to ensure it’s a nice expertise, and prevented powders that had issues we didn’t need, like synthetic sweeteners, fillers, and sketchy advertising and marketing claims. We additionally replace our lists yearly as we pattern new protein powders. 

Listed here are a couple of of our go-to protein powders:


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