What Are The Differences Between Whey & Plant Protein?

What Are The Differences Between Whey & Plant Protein?

Protein powders are growing popular each day as more and more people are flocking towards being healthy and maintaining a good physique. 

Nowadays, the options are endless to support different dietary restrictions and lifestyles; there’s whey protein powder and plant-based alternatives. Now, with so many choices available, you may be wondering which one is the right one for you. 

From going for slow-digesting protein before sleeping to getting the best plat protein supplement for your workout, the options are endless, so which one is the best for you? What is the difference between when and plant protein? 

At KTBM, Health, we specialize in providing high-quality health and well-being products at affordable rates, and one of our best-selling products is are plant-based protein. 

That means we know all there is to know about plant proteins and the difference between them and whey protein, and here today, that’s precisely what we will discuss what the differences are and everything else you need to know about them. So without further delay, let’s check them out!

Whey Protein Vs. Plant Protein

There are plenty of similarities and differences between whey and plant protein. So in the following, we will list them out so you know what to do when investing in some protein supplements. But first, let’s check out a comparison chart!


Whey protein powder

Plant-based protein powder







Complete protein


no (except soy or specific mixes)

Provides 20–30 grams of protein per scoop



Helps build muscle



Supports weight loss




depends on brand

depends on brand

Whey Vs. Plant Protein: Differences In How They Are Made?

Whey protein supplements are made from whey, a milky liquid byproduct from cheese making. When the liquid is collected, all the components like carbohydrates, fat, water, and other parts are removed where only the protein is left, which is spray-dried into a powder

Since it’s made from milk, it contains sugar like lactose. Due to how it’s prepared, whey protein isolate usually contains less lactose than whey protein concentrates. Now, when it comes to plant-based protein, it’s usually derived from brown rice, pea, soy, and hemp. 

Depending on the brand you buy, the protein can be derived from one type of plant or a combination of plants. Because plant-based proteins are made out of plants, it contains less lactose than whey protein concentrate.

Whey Vs. Plant Protein: The Protein Content 

Typically, whey and plant-based protein powders contain a similar amount of protein, with the average product providing 20–30 grams per serving. 

Whey protein is often considered more of a complete protein supplement as it contains all the nine essential amino acids, the essential building blocks of protein. It’s known to have leucine, isoleucine, and valine, which are branched-chain amino acids (BCAAs). 

BCAAs are vital for muscle building. When it comes to plant-based protein, the protein content depends on which plant it’s made out of, but they typically contain fewer BCAAs than whey.

Only soy protein powder is considered complete. It’s one of the reasons why many manufacturers combine multiple plant proteins in their products to ensure they contain all essential amino acids and BCAAs. 

The best way to know if the protein supplement you are interested in is a good protein is to check if it has 20–30 grams of protein per serving and read the label to see if it has an optimal combination of amino acids. 

Food Sensitivity & Digestibility

Whey protein contains lactose which is a common food sensitivity. Now, you can opt to go for whey isolates that contain lower lactose content, but if you are sensitive to it, you can still have a stomach upset, bloating, and gas. 

Plant proteins can contain soy and gluten, which are common allergens, so make sure you read the labels select products specifically labeled soy-free and/or gluten-free if you have problems. 

If your plant-based protein has pea protein, it can cause bloating and cramping if you have irritable bowel syndrome or are sensitive to FODMAPs

The best way to find out about your food sensitivities is by trying a bunch of it out and keeping a food and health diary. It will help you identify and keep track of any side effects that arise from using different products.

Cost Differences Between Whey And Plant Protein

The cost differences between whey and plant protein usually depend on the brand, and you’ll be able to find either type with similar pricing. However, if you buy protein supplements labeled as organic, keto, or paleo or have other specialized qualities, then the cost will be higher. 

Also, it would be best to keep in mind that the serving sizes of some plant-based protein powders, like hemp, are more significant than others, like peas. So you might end up using more powder, which can drive up the price. 

So when buying plant proteins, we recommend you purchase one with a similar serving size to whey products. Now that you know the significant differences, let’s talk about its effects on muscle growth and weight loss. So let’s check them out!

Whey Vs. Plant Protein: Muscle Growth

Whey Vs Plant Protein - Muscle Growth - best plant protein supplement - KTBM

If you are looking to put on some muscle, you will need to go through some strength training and consume enough protein that contains all essential amino acids and BCAAs. 

It has a high amount of BCAA leucine and is absorbed the quickest. That’s one of the reasons why whey protein was considered the standard supplement for muscle growth for so long. 

However, plant protein can provide you with the complete proteins supplement as it can contain high amounts of leucine as long as there are two or more plant proteins or are fortified with BCAAs.

Recent studies have shown that whey and plant-based protein powders are equally effective at promoting muscle hypertrophy or muscle growth as long as the plant-based protein has the same amount of protein and BCAAs per serving. 

As you can see, it doesn’t matter which type of protein you want to buy for your muscle growth as long as it contains 20–30 grams of protein and 5–12 grams of BCAAs and at least 3 grams of which are leucine. 

Protein powders are a fantastic way to ensure you have all the protein you need when adding it to your diet. So make sure you have whole food protein sources like chicken, fish, tofu, eggs, or legume in your diet, along with using powder to supplement if you need additional protein. 

The most important part of muscle growth is to ensure you have the amount of protein you get per day. Make sure you ingest 0.6–0.9 grams of protein per pound (1.4–2.0 grams per kg) of body weight per day or 20–40 grams of protein per meal.

Find The Right Place To Buy Plant Proteins

So there you go, those are the main differences between whey and plant protein. Now, slow-digesting plant proteins can be precisely what you need to have before you go sleep to ensure you gain muscle while you take a good long night’s sleep. Hopefully, by now, you know the answers to whey vs. plant protein and can make an informed decision on which one you need. 

If you are looking for the best plant protein supplement, KTBM can help you. Our curated list of plant proteins has been selected to ensure you get the right amount you need for your dietary needs. So contact us, and we will help you out. 

Also, if you have any questions about plant proteins or our health and well-being products, drop them in the comments below or hit us up on our socials, and we will answer them all for you. And with that being said, that’s about all we have for you today. We will come up with something new for you soon. Until then, see ya!