A whey powder can contain no soy protein and still use soy lecithin. If your goal is to leave out soy ingredients, the emulsifier matters just as much as the protein source. The same brand’s vanilla and unflavored tubs may not have identical formulas.
NOW Sports Whey Isolate Unflavored is our top dairy pick because it names whey isolate and sunflower lecithin, with 24 g protein per serving. The ten choices below also include plant and egg options. This is an ingredient comparison, not a guarantee against allergen cross-contact.
Written by Tom Miller, CSCS. Fact checked by the FitnessVolt editorial team. Last updated: October 2026.
Short on time? Choose NOW Whey Isolate Unflavored for a short dairy formula, Orgain Vanilla Bean for a flavored plant blend, or NOW Pea for a single plant ingredient. With a diagnosed soy allergy, check the current package and manufacturing precautions with the manufacturer and your clinician.
How We Chose
Each exact formula excludes soy protein, soy lecithin, and other named soy ingredients. Sunflower lecithin is allowed; a label saying sunflower or soy lecithin is not. We compared protein portions, ingredient length, sweeteners, package sizes, and the separate presence of milk, egg, or other allergens. Editorial scores reward a clear fit for a particular buyer, not an assumption that soy protein is inferior. Whey, plant, and egg powders have different uses, so no single option suits every diet. Facility and cross-contact statements remain a separate safety question. Do not use this list to decide that a product is safe for a diagnosed allergy, and do not assume another flavor from the same range also qualifies.
Our Verdict
NOW Sports Whey Protein Isolate Unflavored
Whey isolate and explicitly named sunflower lecithin keep the dairy formula short and the ingredient choice clear.
Best for: People who tolerate milk and want an unsweetened powder without soy ingredients
Check Price on AmazonOur Top Picks
Best Overall Dairy Option: NOW Sports Whey Isolate
NOW Sports Whey Protein Isolate Unflavored 1.2 lb
Best Overall Dairy OptionA short unflavored whey isolate formula with sunflower lecithin, for buyers who tolerate milk and want to avoid soy ingredients rather than dairy.
Pros
- 24 g protein per serving
- Sunflower lecithin explicitly named
- Smaller 1.2 lb tub
Cons
- Contains milk
- Shared-facility allergen statement
NOW uses whey isolate with less than 1% sunflower lecithin. A serving lists 24 g protein, 110 calories, and 1 g carbohydrate. The 1.2 lb tub is a manageable entry size when you want to settle the ingredient question before making a bulk purchase.
Skip this if milk allergy is your concern. Isolate is still milk protein. Compared with Nutricost’s 30 g portion, NOW gives you 6 g less protein per serving but a smaller tub. Its facility statement also means an ingredient exclusion should not be read as a cross-contact guarantee.
Best Flavored Plant Blend: Orgain Vanilla Bean
Orgain Organic Plant Based Protein Vanilla Bean 2.03 lb
Best Flavored Plant BlendA vanilla plant blend with 21 g protein, useful when dairy ingredients are excluded too, but not a gum-free or minimal-ingredient powder.
Pros
- 21 g plant protein
- 4 g fiber per serving
- No soy ingredients in this formula
Cons
- Contains guar and xanthan gums
- Stevia and added fiber may not suit everyone
The current Vanilla Bean blend combines pea, brown rice, mung bean, and chia proteins. Its 46 g portion supplies 21 g protein, 150 calories, and 4 g fiber. The creamer and flavor ingredients include sunflower lecithin, while guar and xanthan gums remain in the formula.
Skip this if you want a gum-free powder or dislike stevia. NOW Pea is the one-ingredient plant alternative, with 24 g protein per serving but no vanilla flavor system. Orgain belongs here for a flavored plant blend without soy ingredients, not as the shortest list or a promise of easier digestion.
Best Chocolate Isolate: Transparent Labs Milk Chocolate
Transparent Labs Whey Isolate Milk Chocolate 2 lb
Best Chocolate IsolateA chocolate whey isolate with sunflower lecithin and 28 g protein, for buyers who want a flavored dairy formula without soy ingredients.
Pros
- 28 g protein per serving
- Sunflower rather than soy lecithin
- 30 servings
Cons
- Contains milk
- Stevia-sweetened
Transparent Labs Milk Chocolate lists whey isolate, cocoa, natural flavor, salt, stevia, and sunflower lecithin. Its serving supplies 28 g protein, 130 calories, and 1 g carbohydrate. That makes it the flavored isolate here for a relatively concentrated protein portion.
Skip this if stevia or milk does not fit your diet. Naked Chocolate Whey uses coconut sugar and a concentrate instead. Both leave out soy ingredients, but Naked brings 8 g carbohydrate per serving versus 1 g here. Choose between the sweetener and protein types rather than assuming chocolate formulas are interchangeable.
Best Vanilla Concentrate: Levels Vanilla Bean
Levels Grass Fed Whey Vanilla Bean 2 lb
Best Vanilla ConcentrateA six-ingredient vanilla whey concentrate using sunflower lecithin, for buyers who want a flavored dairy powder without soy ingredients.
Pros
- 24 g protein per serving
- Sunflower lecithin
- Six-ingredient vanilla formula
Cons
- Contains milk and lactose
- Stevia and monk fruit sweeteners
Levels Vanilla Bean combines whey concentrate, vanilla extract, sunflower lecithin, sea salt, stevia, and monk fruit. The front panel lists 24 g protein per serving. It is a shorter flavored recipe than Orgain’s plant blend, but those powders solve different dietary problems.
Skip this if lactose is the reason you are changing powders, or if you want no high-intensity sweeteners. Compared with NOW Isolate, Levels has the same labeled protein amount but adds vanilla and sweeteners and uses concentrate. Those differences matter more than the shared absence of soy ingredients.
Best Larger Unflavored Portion: Naked Whey ISO
Naked Whey ISO Unflavored 2 lb
Best Larger Unflavored PortionAn unflavored two-ingredient whey isolate with 30 g protein, distinct from the brand's single-ingredient whey concentrate and flavored powders.
Pros
- 30 g protein per serving
- 120 calories per serving
- Whey isolate and sunflower lecithin
Cons
- Contains milk
- Not the same formula as Naked Whey concentrate
Naked Whey ISO uses whey isolate and sunflower lecithin. The 32 g portion lists 30 g protein, 120 calories, and zero carbohydrate. That is about 94% protein by portion weight, compared with roughly 86% for Nutricost’s 30 g protein in 35 g powder.
Skip this if you need to avoid milk protein. Low lactose does not mean safe for milk allergy. Compared with NOW’s 24 g serving, the larger labeled protein portion can suit someone filling a bigger meal gap, but you do not need to buy it just to chase a larger number.
Best 30-Gram Alternative: Nutricost Unflavored Isolate
Nutricost Whey Protein Isolate Unflavored 2 lb
Best 30-Gram AlternativeA 26-serving unflavored whey isolate that gives a useful 30 g protein comparison against Naked ISO without assuming the lowest checkout price.
Pros
- 30 g protein per serving
- 26 servings in this size
- Sunflower lecithin
Cons
- Contains milk
- 35 g powder per labeled portion
Nutricost’s selected unflavored 2 lb tub lists 26 servings, each with 30 g protein, 130 calories, and 1 g carbohydrate. Its ingredients are whey isolate and sunflower lecithin. Compare this exact size, not a five-pound price attached to a different listing option.
Skip this if you need a milk-free powder or specifically want a single ingredient. Naked ISO matches the 30 g protein amount with a smaller 32 g powder portion; Nutricost uses 35 g. That is a concrete formula comparison, while value still depends on the delivered price you see today.
Best 20-Serving Isolate: NutraBio Raw Unflavored
NutraBio Whey Protein Isolate Raw Unflavored 20 servings
Best 20-Serving IsolateA compact unsweetened whey isolate with 25 g protein per serving, for buyers who prefer a shorter supply rather than a large tub.
Pros
- 25 g protein per serving
- No added sweetener
- Sunflower lecithin named
Cons
- Contains milk
- 20 servings will not cover a full month
NutraBio Raw Unflavored pairs whey isolate with sunflower lecithin and supplies 25 g protein in a 28.74 g serving. The panel lists 110 calories and less than 1 g carbohydrate. Its 20-serving package is smaller than the 26-serving Nutricost or 28-serving Naked ISO.
Skip this if you want one tub to last a full month at a serving a day. Compared with NOW Isolate, it adds 1 g protein per labeled portion, not a fundamentally different protein source. Compare cost per equal protein amount rather than paying extra for a small difference in scoop numbers.
Best Without Stevia: Naked Chocolate Whey
Naked Whey Chocolate 5 lb
Best Without SteviaA chocolate concentrate made with whey, coconut sugar, and cacao, for buyers who want neither soy ingredients nor stevia in a flavored powder.
Pros
- Three ingredients
- 25 g protein per serving
- No added lecithin
Cons
- Contains milk and coconut ingredients
- 3 g added sugar per serving
Naked Chocolate Whey’s three ingredients are whey concentrate, organic coconut sugar, and organic cacao. There is no lecithin to trace to soy or sunflower. A serving supplies 25 g protein, 160 calories, and 8 g carbohydrate, including 3 g added sugar.
Skip this if you want an isolate, need to avoid milk, or do not want a five-pound purchase. Transparent Labs gives you 28 g protein with 1 g carbohydrate but uses stevia. Naked is the better fit only when its concentrate-and-sugar formula matches what you want to exclude and retain.
Best Single-Ingredient Plant Option: NOW Pea
NOW Sports Pea Protein Unflavored 2 lb
Best Single-Ingredient Plant OptionA one-ingredient pea isolate for buyers excluding dairy and egg ingredients as well as soy, without a creamer, flavor, or emulsifier blend.
Pros
- 24 g protein per serving
- Yellow pea isolate only
- No added flavor or sweetener
Cons
- Pea allergies still matter
- Shared-facility allergen caution
NOW Pea contains yellow pea protein isolate and supplies 24 g protein, 120 calories, and 1 g carbohydrate per 33 g portion. It is the simplest plant recipe in the list, with no sunflower lecithin needed to meet the soy-ingredient criterion.
Skip this if peas are an allergen for you or you need dedicated-facility assurance. Orgain supplies a vanilla flavor and a multi-source plant blend, but also adds gums, fiber, and sweetener. Choose NOW when one ingredient matters more than a ready-flavored shake.
Best Egg Protein: Naked Egg
Naked Egg White Protein Unflavored 3 lb
Best Egg ProteinAn egg-white powder with sunflower lecithin, giving a 25 g protein alternative for buyers who want neither whey nor a plant blend.
Pros
- 25 g protein per serving
- Egg white protein and sunflower lecithin
- 44 servings in the selected tub
Cons
- Contains egg
- Large 3 lb package
Naked Egg combines egg white protein with sunflower lecithin. A 31 g serving lists 25 g protein, 110 calories, and 2 g carbohydrate. Its 44-serving, 3 lb tub is a larger commitment than the small whey isolates at the top of this list.
Skip this if you have an egg allergy or want an entirely plant-based diet. Compared with NOW Pea, it adds 1 g protein per serving but changes the allergen and protein source completely. It is the useful middle path for someone who wants animal protein without a dairy ingredient.
Comparison Table
| Product | Key Spec | Best For | Price |
|---|---|---|---|
| NOW Sports Whey Protein Isolate Unflavored 1.2 lb | 24 g protein; whey isolate and sunflower lecithin | Best Overall Dairy Option | Check Price |
| Orgain Organic Plant Based Protein Vanilla Bean 2.03 lb | 21 g protein; vanilla plant blend with gums | Best Flavored Plant Blend | Check Price |
| Transparent Labs Whey Isolate Milk Chocolate 2 lb | 28 g protein; chocolate isolate with stevia | Best Chocolate Isolate | Check Price |
| Levels Grass Fed Whey Vanilla Bean 2 lb | 24 g protein; vanilla concentrate | Best Vanilla Concentrate | Check Price |
| Naked Whey ISO Unflavored 2 lb | 30 g protein; 32 g powder portion | Best Larger Unflavored Portion | Check Price |
| Nutricost Whey Protein Isolate Unflavored 2 lb | 30 g protein; 26 servings | Best 30-Gram Alternative | Check Price |
| NutraBio Whey Protein Isolate Raw Unflavored 20 servings | 25 g protein; 20 servings | Best 20-Serving Isolate | Check Price |
| Naked Whey Chocolate 5 lb | 25 g protein; concentrate and coconut sugar | Best Without Stevia | Check Price |
| NOW Sports Pea Protein Unflavored 2 lb | 24 g protein; pea isolate only | Best Single-Ingredient Plant Option | Check Price |
| Naked Egg White Protein Unflavored 3 lb | 25 g protein; egg and sunflower lecithin | Best Egg Protein | Check Price |
How to Choose a Powder Without Soy Ingredients
Read past the protein source
Whey protein is derived from milk, but the finished powder may also contain soy lecithin. Read the whole ingredient list and any contains statement. A formula saying sunflower or soy lecithin does not meet this guide’s criterion, which is why Isopure Unflavored is not included here. Sunflower lecithin, as named in NOW Whey Isolate and Naked ISO, is a different ingredient. Do not extend that conclusion to another flavor without checking it.
Keep allergy safety separate
The FDA identifies soy as a major food allergen and explains how ingredient sources must be named. A formula without soy ingredients is not the same as a product made without cross-contact risk. With a diagnosed allergy, discuss manufacturing precautions with the brand and your clinician. Recheck the package you receive. A shared-facility statement cannot be turned into either a universal safety guarantee or a prediction that a reaction will occur.
Choose the right protein source next
If milk is acceptable, NOW, NutraBio, Nutricost, and Naked ISO are straightforward unflavored isolates. Levels and Naked Chocolate use concentrate instead. If you exclude dairy ingredients, Orgain and NOW Pea are the plant choices; Naked Egg is an animal-protein alternative. A milk allergy rules out whey even when lactose is low. Egg allergy rules out Naked Egg. Avoid building one restriction around a second ingredient you already know is unsuitable.
Compare portions without chasing the biggest scoop
Naked ISO and Nutricost each list 30 g protein per serving, while Orgain lists 21 g and NOW Whey lists 24 g. Those differences can help fill a meal’s protein gap, but they do not determine your daily requirement. The ISSN position stand describes 1.4-2.0 g/kg/day as a broad range for healthy exercising adults. Calculate what your food already supplies before adding powder; medical conditions may require individualized advice.
Make the price comparison fair
Multiply labeled servings by protein grams per serving, divide the delivered price by that total, then multiply by 25. You now have a cost per 25 g protein. Nutricost’s 26 servings at 30 g contain 780 g protein; NutraBio’s 20 at 25 g contain 500 g. A lower tub price does not necessarily mean a lower protein cost. Count shipping and avoid assuming a subscription price applies to your first one-time order.
Finally, soy-ingredient-free does not mean unsweetened or gum-free. Levels Vanilla uses stevia and monk fruit; Transparent Labs uses stevia; Orgain includes gums. For those separate preferences, compare our stevia-free protein guide and low-carb protein comparison. The best purchase is the one that meets your actual constraints without extra exclusions you do not need.
Frequently Asked Questions
Does whey protein naturally contain soy?
Whey is a milk-derived protein, not soy protein. Soy ingredients can still be added to a whey powder, particularly as lecithin. That is why the finished formula matters more than the protein name on the front. The choices here name sunflower lecithin or have no lecithin, but other flavors can differ.
Is sunflower lecithin the same as soy lecithin?
No. They come from different sources. A label explicitly naming sunflower lecithin meets this guide’s ingredient criterion; a label permitting sunflower or soy lecithin does not. That distinction does not establish a facility’s allergen precautions. For a diagnosed allergy, get current product-specific advice rather than treating a single ingredient name as the whole safety assessment.
Which options have no dairy ingredients?
Orgain Vanilla Bean, NOW Pea, and Naked Egg have no dairy ingredients in the selected formulas. Naked Egg contains egg and is not vegan. Facility statements remain relevant, so no dairy ingredients is not a milk-allergy guarantee. Every whey option in this guide remains milk protein, including the isolates.
Does excluding soy improve muscle growth?
Excluding it is an ingredient choice, not a muscle-building upgrade by itself. Training, sufficient protein, energy intake, and consistency matter. You do not need to avoid soy merely because you lift. Choose a suitable protein source that fits your diet, and do not pay extra for an exclusion you neither need nor prefer.
Can I trust an old ingredient panel?
Use it as a starting point, not the final word. Brands change formulas, and retailer pages may show more than one package version. Match the flavor and size, then read the wrapper or tub you receive. If an allergy makes the distinction safety-critical, ask the manufacturer about the current lot before using it.
Bottom Line
NOW Whey Isolate Unflavored is our dairy pick for its short whey-and-sunflower-lecithin formula and 24 g protein serving. Orgain suits a flavored plant shake, NOW Pea suits a one-ingredient plant preference, and Naked Egg supplies a non-dairy animal-protein alternative. None of those choices turns ingredient absence into an allergy guarantee. Buy for your actual dietary needs, confirm the exact package, and compare equal protein amounts. For another ingredient-specific comparison, see our sensitive-stomach protein guide.
Sources
- FDA: Food Allergies, What You Need to Know.
- ISSN position stand: protein and exercise.
- FDA: How to Understand and Use the Nutrition Facts Label.


