HomeDietIs Protein Powder Wholesome? Dietitians Reply High Questions

Is Protein Powder Wholesome? Dietitians Reply High Questions


We’re registered dietitians who create recipes anybody can take pleasure in, and generally, 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 an inventory of the most typical 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 publish, and we’d like to reply.

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

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

With any dietary complement, high quality ranges will range fairly a bit — not like 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 at all times as regarding as it would sound.

In 2018, the Clear Label Challenge carried out an impartial research of 134 top-selling protein powders (in accordance 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 optimistic 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 a bit 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 threat. However persistently getting average to excessive ranges of them does impose a threat of toxicity, which is why it’s finest to purpose for a protein powder that has acceptable ranges of heavy metals, if any in any respect.

All the time examine for third-party testing. One of the best factor to do with protein powders (and any complement) is to make use of all the information that’s accessible 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 sometimes happy with that reality, so a fast search on their product packaging and/or web site can often inform you 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 drop some weight no matter how a lot protein you devour. What protein powder (or protein generally) can doubtlessly do is enable you preserve muscle mass whereas dropping physique weight. It’s not unusual to lose muscle whereas losing a few pounds if you happen to’re not getting sufficient protein.

Including protein powder to your drinks and meals, with out making some other alterations to your food regimen, won’t essentially end in weight reduction. The truth is, it may trigger weight acquire by including extra energy (and perhaps 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 may also help 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 may also help you preserve 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 further day by day protein by way of powders may also help. Whether or not you are attempting to keep up muscle whereas losing a few pounds or bulk up and construct muscle, you’ll wish to purpose for an quantity of protein that accounts for 30-35% of your day by day energy. 

For somebody following a 2,000 calorie food regimen, that will appear to be consuming 600-700 energy from protein, or 150 to 175 grams of protein. Since that’s loads 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 can assist 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 really useful protein consumption for his or her age, gender, and exercise stage. Or, perhaps they only 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 approach to enhance protein shortly. Merely stirring a scoop right into a cup of espresso, oatmeal, or yogurt is a fairly large protein payoff for little effort.

You may also get an identical 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 gain advantage from a better 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 hurries up considerably round ages 50-60 (referred to as sarcopenia)
  • folks recovering from an sickness or an infection, extreme burns, or surgical procedure
  • bodily energetic folks and athletes who’ve elevated put on and tear on muscle tissue
  • folks making an attempt to drop some weight with out shedding muscle
  • folks making an attempt to realize muscle mass
  • somebody with a malabsorption or inflammatory problem, similar to 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 quite a lot of plant-based sources

Is It Secure To Use Protein Powder Each Day?

Sure, it’s secure for many wholesome adults to devour protein powder day by day. And a constant consumption of protein powder may even present some research-backed advantages similar to 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. Should you do, you’d be placing extra pressure in your kidneys, inflicting intestinal discomfort and diarrhea, and you might additionally expertise complications, fatigue, irritability, and/or weight acquire.

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 very best you might 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 shouldn’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 Substances Ought to I Look For? Which Ones Ought to I Keep away from?

Some elements that point out a better high quality sort of protein powder are: 

  • whole-food protein sources, similar to 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, similar to coconut sugar, natural cane sugar, stevia, monk fruit, Reb-M (fermented sugarcane), or erythritol
  • some protein powders additionally comprise omega-3s, which might be helpful for minimizing post-exercise soreness
  • blends that embrace digestive enzymes (similar to lactase, protease, amylase, and lipase) might be helpful if you happen to expertise bloating, cramps, or gasoline 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, nevertheless 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 diet)
  • excessive sugar ranges (this may vary from 0 to twenty+ grams per scoop)
  • dietary allergens that you could be wish to keep away from, similar to nuts, eggs, dairy, gluten, or soy

Ought to I Use Whey Protein Or A Plant-Based mostly Possibility?

Whey protein powder offers extra protein (sometimes 20-25 grams per scoop) than plant-based powders (sometimes 15-20 grams per scoop) and it’s extra environment friendly on 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 usually are not 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 if you happen to’re hitting your protein wants with meals, too.

In case you are vegan, 100% dairy free, or extremely delicate to lactose, a plant-based protein powder is the best 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 threat, 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 record of high plant-based choices) is as a result of almost all of them are primarily based on soy protein isolate. It’s a closely processed ingredient that makes use of chemical substances to strip soybeans down right into a protein-rich white powder whereas eradicating all of the helpful fiber and minerals. This course of also can go away behind undesirable residues, similar to 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 standard perception, consuming meals that comprise dietary ldl cholesterol doesn’t have a direct impact on blood ldl cholesterol. The truth is, analysis exhibits there’s no correlation between dietary ldl cholesterol consumption and the event of heart problems. As an alternative, the largest affect on blood lipid ranges (like complete ldl cholesterol, HDL ldl cholesterol, and LDL ldl cholesterol), are the combo of carbohydrates and fat in your food regimen.

Since protein powder shouldn’t be sometimes a high-carb or high-fat product, its affect 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 record of favourite whey protein powders and plant-based protein powders. Test 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 verify it’s a pleasing expertise, and averted 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 below are just a few of our go-to protein powders:


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