Best Whey Protein Powders for People With Good Taste (2026)

When you hear that someone is looking for the best whey protein powder, you may immediately think of Hulk-like gym bros. But as someone who identifies as neither Hulk-like nor a gym bro (just a 20-something food writer who likes to move her body and lift heavy things on occasion), protein powder has been a near-daily part of my routine for quite some time. That said, I'm also a food lover who won't sacrifice on taste—even in the name of gains. Why reach for protein powder at all, you might ask? Protein plays several important roles in the body, and “for individuals engaged in resistance training or seeking to build muscle mass, consuming adequate protein is essential for muscle growth and repair,” explains registered dietitian Mia Syn, MS, RDN. While the exact amount a person needs depends on their individual goals, many people—myself included—find it helpful to supplement with a scoop. If you've browsed the protein aisle recently, you know there are a dizzying number of whey protein options, which vary quite a lot in taste and texture depending on what flavorings and sweeteners are added. So I set out to find the absolute best-tasting whey protein powder on the market—a mission driven, admittedly, by my desire never again to spend $40 on a giant tub only to find I can't stomach the flavor. The best whey protein powders - The best whey protein powder overall: Thorne Whey Protein Isolate - Best for travel and convenience: Factor Form Whey Protein Isolate - The best stevia-free flavors: Opportuniteas Grass Fed Chocolate Whey Protein Isolate Powder - The best unflavored whey concentrates: Naked Grass Fed Whey Protein Powder and Promix Unflavored Whey Protein Powder - The best unflavored whey isolate: Isopure Unflavored Protein Powder - The best for fun flavors: Optimum Nutrition Gold Standard After tasting upward of 40 (!) powders and consulting multiple dietitians, I found great options for every type of protein user, from the no-nonsense person who wants a natural powder free from artificial flavors to the person who wants their shake to taste like glorified cereal milk. Scroll down to see all my picks. - Best whey protein powder overall: Thorne - Best for travel: Factor Form - Best stevia-free flavors: Opportuniteas - Best unflavored whey concentrates: Naked and Promix - Best unflavored whey isolate: Isopure - Best for fun flavors: Optimum Nutrition - How I tested whey protein powders - How to shop for whey protein powders - Others we tried and liked - Powders we don't recommend - FAQs How do the top whey protein powders compare? | Product | Protein Per Serving | Price Per Serving | |---|---|---| | Thorne Whey Protein Isolate | 21 grams | $2.17 | | Factor Form Whey Protein Isolate | 25 grams | $2.33 | | Opportuniteas Grass Fed Chocolate Whey Protein Isolate | 20 grams | $1.75–$2.53 | | Naked Grass Fed Whey Protein Concentrate | 25 grams | $1.32–$1.80 | | Promix Unflavored Whey Protein Concentrate | 25 grams | $1.04–$1.37 | | Isopure Unflavored Whey Isolate | 25 grams | $1.59–$1.88 | | Optimum Nutrition Gold Standard | 24 grams | $1.36–$1.72 | Best whey protein powder overall: Thorne Whey Protein Isolate Best for travel and convenience: Factor Form Whey Protein Isolate The best stevia-free flavors: Opportuniteas Grass Fed Chocolate Whey Protein Isolate Powder The best unflavored whey concentrates: Naked Grass Fed Whey Protein Powder and Promix Unflavored Whey Protein Powder The best unflavored whey protein isolate: Isopure Unflavored Protein Powder The best for fun flavors: Optimum Nutrition Gold Standard How I tested whey protein powders To put it simply, I tasted a lot of whey protein powders. To narrow down the field initially, I spoke with multiple dietitians about what to look out for when selecting a whey protein powder, and did my fair share of market research to find out which powders people are buying these days and why. Then it was time to start tasting. I shook each powder up with the recommended amount of water using a Blender Bottle before tasting each flavor category side by side as a simple protein shake. The frontrunners then moved on to the smoothie test, where I blended each up with a mixture of frozen fruit and almond milk, taking note of the consistency and overall flavor of each. In selecting my top picks, I also took into account ingredients, favoring options with fewer additives and as little sweetener aftertaste as possible. How to shop for whey protein powders To help answer this question, I spoke with registered dietitians Mia Syn, MS, RDN, and Taylor Grasso, MPPD, RD, host of the podcast Simply Balanced. Here's what they recommend looking for: Third-party testing: Both Grasso and Syn stress the importance of making sure your protein powder is third-party tested. Because dietary supplements like protein powders are regulated by the FDA only as food, not as drugs, third-party testing ensures that what's listed on the label matches what's actually in the product. Look for a badge or note indicating the product was tested by NSF, Informed Sport, Informed Choice, or GMP. This is particularly important for athletes who want to ensure there are no banned substances in their supplements, but it's a good practice for all users. Clean ingredient lists: Once you've confirmed a product is third-party tested, take a close look at the ingredient list. Syn recommends opting for powders "with little to no unnecessary additives, fillers, artificial ingredients, and added sugar." Grasso also advises choosing shorter ingredient lists when possible. Watch out for artificial sweeteners and sugar alcohols: Grasso particularly looks out for artificial sweeteners like acesulfame potassium or sucralose, which "are not inherently bad for us, but can cause headaches in some individuals." Sugar alcohols—denoted by an "-ol" and including ingredients like erythritol, sorbitol, and maltitol—are another consideration. "We don't digest those sugar alcohols, and so they actually enter our gut in the full molecular form, which can cause digestive upset, constipation, bloating, diarrhea, gas, all sorts of really fun GI things," Grasso says. Not everyone will experience these symptoms, but it's worth being aware of if you've ever found yourself worse for wear 30 minutes after downing your morning shake. Other whey protein powders I tried and liked Momentous Grass-Fed Whey Protein Isolate Powder Promix Whey Protein Powder Myprotein Impact Whey Protein Cinnamon Cereal Groove Whey Protein Isolate, Mexican Chocolate Orgain Grass Fed Whey Protein Powder Whey protein powders we don't recommend In addition to their unflavored option, Naked also makes their whey protein in a handful of other flavors, of which I tried the vanilla and chocolate. Both taste exactly like what they are: whey, a touch of sugar, and cocoa or flavoring depending on the flavor in question. While I appreciated the short ingredient list and that there were no artificial sweeteners, I found the overall flavor to be a bit too subtle for my liking when mixed with water as a shake. The vanilla in particular had an off-putting flavor that was vaguely reminiscent of blood. The vanilla version of Groove's whey protein isolate was inoffensive in flavor and had nice flecks of vanilla bean, but there was a strong sweetener aftertaste due to a combination of monk fruit and stevia that I just couldn't get over. It was also a touch too sweet for my liking. I didn’t love any of the flavors (Vanilla, Chocolate, and Peanut Butter) I tried from Xwerks for the same reason: They all tasted primarily of sweetener. These powders tasted artificial to me. That said, the glazed donut flavor tasted shockingly of, well, glazed donut. If you’re into the idea of your morning shake tasting just like a treat from Dunkin’, you may like this one. These powders from Ascent check a lot of boxes: They’re third party-tested, have short ingredient lists (featuring a protein blend of whey isolate and concentrate), and are at the upper range of protein per serving at 25 grams. I found both flavors I tried to be inoffensive, but didn’t love the stevia aftertaste. The chocolate flavor somehow reminded me of cotton candy—a fact which, once I identified, I couldn’t quite get over. The vanilla flavor of this whey concentrate from LTH had an off-putting flavor that I just couldn't get past—equal parts sour and chemical in nature. FAQs Why might someone want to use protein powder? Grasso always recommends that her clients get the bulk of nutrients, like carbohydrates, protein, and fat, from whole foods before adding supplements. “But the reality is a lot of the time we do need some additional protein as well,” she says. “For very active individuals, especially, a protein supplement can be super easy. Same with people who are just on the go all the time and don’t necessarily have time to prep as many meals.” What is whey protein? When animal milk is coagulated (or curdled) by acid, it separates into two things: curds and whey (famously eaten by one Little Miss Muffet). While the curds are typically destined to become cheese, that liquid whey is often used to make “whey cheeses” like ricotta, or it gets pasteurized, filtered, and dried to become protein powder. “Whey protein would technically be considered the ‘gold standard,’ and that’s because whey protein is a milk protein. Any animal-based proteins are going to be what we like to call a complete protein,” explains Grasso. It’s “complete” because it contains the nine essential amino acids we must get from the food we eat because our body doesn’t make them on its own, all of which play vital roles within the body—we’re talking everything from immune function and energy regulation to hemoglobin production. Many protein sources (like legumes, nuts, and brown rice) deliver some but not all of the nine essentials, meaning you’d need to combine them to achieve the full spectrum. That’s the draw of a “complete” protein, and why people might turn to whey as a straightforward choice when looking for a way to supplement their protein intake. Grasso also notes that whey protein powders often have a higher amount of leucine, an amino acid that is particularly important for athletes or people looking to build muscle because of its role in muscle protein synthesis. Another pro? According to Syn, “whey is also considered a ‘fast-absorbing’ protein, which makes it preferred for post-workout recovery.” If whey protein isn’t for you, whether you’re vegan or have a dairy allergy or sensitivity, note that it’s not the only supplement that’ll provide that complete amino acid profile. Many vegan protein companies add a variety of plant-based protein sources to their powder blends in order to ensure they’re delivering that full package and satisfying your protein needs, which they’ll usually note on their packaging. Plant-based complete proteins also do exist—these would be anything soy-based, says Grasso, or a pea protein. Whey protein concentrate vs. isolate: what's the difference? These are the two most common forms of whey protein you’ll see, and the choice between the two is another thing to consider when deciding which powder to go with. “Whey protein isolate is a filtered form of whey protein. It contains at least 90% protein and has less fat, carbohydrates, and calories than whey concentrate. It also contains very little lactose,” says Syn, which makes it a good option for those with lactose intolerance. Whey protein concentrate sits at about 70%–80% in protein content and contains more lactose than isolate, but the trade-off is that it’s often cheaper. Hungry for more? - If you’re looking for plant-based protein powders, head right this way for our list of the best vegan protein powders. - Read all about our favorite high-protein snacks. - Prefer your protein in bar form? We’ve got recs for that too.