10 Best Protein Powders Without Artificial Sweeteners (2026)

With just one ingredient, 100% grass-fed whey, this protein powder skips artificial sweeteners, flavors, and colors entirely. Cold processing avoids chemical detergents like acid or bleach, keeping naturally occurring growth factors intact. Each serving provides 25 grams of protein and 5.9 grams of BCAAs, and NSF certification verifies that what’s on the label matches what’s in the bag.

The unflavored whey concentrate contains 2 grams of sugar per serving from lactose, not added sweeteners, so it tastes like plain milk rather than a flavored shake. For a sweeter option without artificial ingredients, the Transparent Labs Grass-Fed Whey offers a milk chocolate flavor with 28 grams of protein per serving. But for anyone who wants total ingredient transparency and nothing extra, this is the straightforward pick.

Zero carbs and 30 grams of protein per scoop make this isolate a standout for anyone watching their carb intake closely. The two-ingredient list, grass-fed whey isolate and sunflower lecithin, means no artificial sweeteners, flavors, or hidden fillers, just clean fuel for recovery after a tough session.

The trade-off is that unflavored protein can taste flat or chalky on its own, especially if you’re used to sweetened powders. Compared to Transparent Labs Grass-Fed Whey Protein, which comes in a milk chocolate flavor, NAKED’s isolate requires you to add your own flavorings to make it palatable. If you don’t mind a little DIY in your shake, this is a superb zero-carb option; if you want a ready-to-drink taste, you might prefer a flavored pick.

Twenty-eight grams of protein per serving from a grass-fed whey isolate gives you a clean protein source that supports muscle recovery. Transparent Labs uses no artificial sweeteners, food dyes, or preservatives, and relies on natural flavoring instead. That means you get a flavored protein without the additives found in many other powders. It also contains all nine essential amino acids, which are the building blocks your muscles need. For anyone who values ingredient transparency and wants a naturally flavored option, this delivers exactly what it promises.

A naturally flavored protein powder that skips artificial sweeteners, food dyes, and preservatives is hard to find. This one delivers exactly what it promises, using whey from naturally-fed, hormone-free cattle. The 100% grass-fed isolate is among the cleanest proteins available, with no gluten or synthetic additives. Reviewers appreciate that the ingredient list stays straightforward, avoiding the digestive discomfort that often comes with other powders. It supports recovery and muscle growth without the bloating or gas that can derail a fitness routine, so it’s easy to stick with daily.

Each scoop delivers 24 grams of protein from grass-fed, hormone-free dairy, and the whey is cold-process microfiltered to keep those naturally occurring growth factors intact. That means you’re getting a clean protein source without the extra processing that can strip away beneficial compounds. The concentrate form is the least processed type of whey, so it retains a full amino acid profile including 5.4 grams of BCAAs per serving. Many users find this makes for a smoother, more natural-tasting shake compared to heavily filtered isolates. It also mixes easily thanks to the addition of non-gmo sunflower lecithin, so you won’t be fighting clumps in your shaker bottle.

This uses whey protein concentrate, not isolate, so it has slightly more lactose and carbs than an isolate would. If you are very sensitive to dairy or following a strict low-carb plan, something like Naked Whey Isolate might suit you better since it has zero carbs and only two ingredients. But if you are fine with a little lactose and want a flavored protein that skips artificial ingredients entirely, Levels delivers a simple ingredient list with solid nutrition.

A single-ingredient whey protein that lists exactly what you expect and nothing else. That one ingredient is grass-fed whey from pasture-raised cows on small American family farms, cold-processed to keep its natural amino acids and BCAAs intact. It is also third-party tested for heavy metals and contaminants, so you are not guessing about what is inside. This makes it a straightforward pick for anyone who wants a simple protein source without sweeteners, flavors, gums, or fillers getting in the way.

It is unflavored, so you will want to blend it into smoothies, coffee, or oatmeal rather than drink it straight. If you prefer a protein that mixes silently into your morning routine without altering the taste, this one delivers exactly that.

At 5 pounds, the container measures 8 inches wide and 11 inches tall, so it takes up noticeable shelf or cabinet space. Reviewers note that the bag is sturdy but not compact, so plan for a dedicated spot in your pantry or a large cabinet. Compared to smaller tubs like NAKED Whey’s 2-pound option or Truvani’s 1-pound container, this is a bulk purchase that reduces repurchasing frequency. The size is practical for regular use, but it won’t fit in a standard kitchen drawer. If space is tight, you might prefer a smaller alternative, but the larger quantity offers better value per serving.

Thirty grams of organic plant protein per scoop means you get a solid muscle-recovery dose without dairy, soy, or artificial sweeteners. That protein comes from peas, navy beans, lentils, and garbanzo beans, so it covers a wider amino-acid profile than many single-source pea powders. The 2 billion CFU of clinically studied probiotics are a nice bonus for anyone who finds that hard workouts upset their digestion. This is the kind of protein you reach for when you want something clean, certified, and plant-based that also supports your gut.

Nineteen servings per tub means you will go through it faster than a 30-serving container like Transparent Labs Grass-Fed Whey Protein. And because it is a whole-food plant blend with organic tart cherries, apples, turmeric, blueberries, and goji berries, the vanilla flavor is less neutral than an unflavored whey isolate. If you prefer a straightforward, unflavored protein or need more servings per purchase, you might lean toward NAKED Whey 100% Grass Fed Whey Protein instead. But if you want organic plant protein plus probiotics and sport certification, this is a thoughtful pick.

Cold processing is the detail that sets this whey apart. While many protein powders are flash-heated or chemically treated during manufacturing, It’s Just! uses a gentle cold method that keeps the amino acid profile and natural structure intact. That means you get a cleaner, less denatured protein that your body can actually use for recovery and muscle repair. It’s a smart pick if you want to avoid anything processed or artificial. The unflavored format gives you total control over taste, just stir it into oatmeal, smoothies, or even savory dishes without worrying about fake vanilla or stevia aftertaste.

This whey protein has only two ingredients, undenatured whey concentrate and nothing else, so you’re getting a straightforward protein source without artificial sweeteners or added flavors. Because it’s unflavored, the natural whey taste comes through, which some people mask by mixing into smoothies or recipes. The cold processing method preserves the protein’s amino acid profile, making it a practical option for anyone focused on whole-food ingredients.

Each scoop delivers 20 grams of protein from grass-fed organic whey, sweetened only with organic monk fruit and no stevia. That makes it a clean option for anyone avoiding artificial sweeteners entirely. The brand sources from heritage breed Jersey cows grazing on California grasses, and every batch is lab tested for quality and purity, with results available for customers to view. The BPA-free pouch uses 70% less plastic than standard tubs, cutting down on waste.

Each serving carries 3 grams of carbs, which is worth noting if you’re tracking net carbs closely. Compared to Naked Whey’s unflavored single-ingredient powder, this one comes only in vanilla, so it’s better suited for someone who wants a ready-to-mix flavored option rather than a bulk unflavored supply. If you value farm-to-shake sourcing and don’t mind the slightly higher carb count, this delivers a thoughtfully made protein with no artificial anything.

Truvani’s unflavored whey packs 20 grams of organic grass-fed protein per scoop, skipping the stevia and sugar alcohols that can cause bloating or gas. It uses organic monk fruit for sweetness. This makes it a choice for those who want USDA Organic whey with no gums, no fillers, and no added sugars.

Twenty servings per container means this tub empties faster than many competitors, so frequent users will need to reorder often. The organic, grass-fed whey delivers 20 grams of complete protein with all nine essential amino acids, supporting muscle recovery without added sugars or fillers. For those who prioritize clean sourcing and a monk-fruit-sweetened taste, this is a straightforward, transparent option.