
Optimum Nutrition
Gold Standard 100% Whey Protein Powder
Trusted all-rounder, but price hikes and quality decline concern.

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I second Naked rice protein. I do a mix of the naked rice protein, naked peanut butter, and naked collagen with almond milk and it's a good amount of protein.
I second Naked rice protein. I do a mix of the naked rice protein, naked peanut butter, and naked collagen with almond milk and it's a good amount of protein.
Do you have to have sweetened yogurt and protein powder? If not, buying plain is the way to go. The Naked Nutrition brand has protein powders that are unflavored, no extra ingredients. I get the pea protein from them, but they also have whey and other common options. https://nakednutrition.com/ For yogurt, I just buy plain yogurt and add my own mix ins (thawed frozen berries, peanut butter, flaxseed).
Naked brand is my fav! I know you said vanilla only but their strawberry banana is killer
Your best bet is to get unflavored whey isolate (any brand is fine) and add your own flavors. Make a smoothie with bananas and peanut butter. But if you like flavors, Naked Nutrition makes whey protein with no fake sugar. It's my favorite brand. The double chocolate flavor is pretty good. Its less sweet than other brands that load up with sucralose
I prefer unsweetened protein powders with nothing else added. I will either just drink them down quickly or add my own flavorings. I generally rotate between MycelPro-1 (mycelium) and Sunwarrior Classic Plus unsweetened (mix of 5 different protein sources). I have also used Naked Seeds protein (mix of 4 different seed proteins) on occasion. I generally buy from the vendors directly.
I really love the Naked brand blueberry muffin pea protein. It's not quite as high in protein as others (20g) but it tastes delicious and has real sugar in it (can't stand the taste of stevia.)

Optimum Nutrition
Gold Standard 100% Whey Protein Powder
Trusted all-rounder, but price hikes and quality decline concern.

Dymatize (BellRing Brands)
ISO100 Hydrolyzed Protein Powder
High-quality hydrolyzed isolate, great taste, but pricey with sucralose concerns.

Transparent Labs
Grass-Fed Whey Protein Isolate
Clean, third-party tested isolate; premium price for quality.
Kirkland Signature (Costco)
Whey Protein
Budget king; great value, but clumpy with artificial taste concerns.

Oath Nutrition
Clear Whey Protein Powder
Refreshing, juice-like fruit flavors; pricey, low carb, but gentle.

Ranked #1
PEScience - Select Protein

Ranked #1
Optimum Nutrition - Gold Standard 100% Whey Protein Powder

Ranked #1
Optimum Nutrition - Gold Standard 100% Whey Protein Powder

Ranked #1
Optimum Nutrition - Gold Standard 100% Whey Protein Powder

Ranked #1
Oath Nutrition - Clear Whey Protein Powder

Ranked #1
Equip - Prime Protein