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📋 Quick Buying Guide — Protein Powder

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Quick Buying Guide — Protein Powder

Type: Whey is fast-absorbing and ideal post-workout. Casein is slow-release, good before bed. Plant-based suits vegans.
Protein per serving: Look for at least 20–25g of protein per serving for effective muscle support.
Sugar content: Check the nutrition label — some flavoured powders contain high sugar levels.
Servings per bag: Compare cost per serving rather than total price — a bigger bag is not always better value.
Third-party tested: Look for NSF Certified or Informed Sport badges for quality assurance.

Read our in-depth Protein Powder buying guide →

Product	Brand	Price	Rating	1d	7d	Updated
Optimum Nutrition Gold Standard Casein Protein Powder, Vanilla, 4 LB	Optimum Nutrition	$84.99	4.6 ★	—	—	Oct 9
Nutricost Casein Protein Powder 5lb (Unflavored)	Nutricost	$59.96	4.5 ★	—	—	Oct 8
SASCHA FITNESS Hydrolyzed Whey Protein Isolate,100% Grass-Fed (2 Pounds, Cookies & Cream)	SASCHA FITNESS	$62.99	4.6 ★	—	—	Oct 9
Isopure Low Carb Whey Isolate Protein Powder, Dutch Chocolate 4.5 LB	Isopure	$134.99	4.5 ★	—	—	Oct 9
Equip Prime Peanut Butter Protein Powder - Gut-Friendly, No Sugar Protein Shake Powder ...	Equip	$67.99	4.5 ★	—	—	Oct 9
Optimum Nutrition Platinum Hydrowhey Protein Powder, Velocity Vanilla,3.5LB	Optimum Nutrition	$116.99	4.6 ★	—	—	Oct 9
Muscle Milk Genuine Protein Powder, Cookies 'N Crème, 1.93 Pounds, 13 Servings, 32g Pro...	Muscle Milk	$23.18	4.5 ★	—	—	Oct 7
Animal 100% Whey Protein Powder, 20G High Protein \| Cookies & Cream 4LB	Animal	$64.95	4.5 ★	—	—	Oct 9
NAKED Nutrition Chocolate Pea Protein Isolate - 5Lb Bulk, NSF Certified, Plant Based, V...	NAKED	$57.99	3.6 ★	—	—	Oct 9
RYSE Loaded Protein Powder - Peanut Butter Cup - 25g Whey Protein Isolate & Concentrate...	RYSE Up Supplements	$54.99	4.6 ★	—	—	Oct 9
Animal Whey Isolate Protein Powder, 25G High Protein \| Vanilla 4LB	Animal	$72.95	4.5 ★	—	—	Oct 9
RAW Whey Isolate Protein Powder, Chocolate Peanut Butter (CBUM Itholate) - 100% Grass-F...	RAW	$59.49	4.5 ★	—	+17.7%	Oct 9
OM MUSHROOM SUPERFOOD Master Blend Vegan Protein – Organic Chocolate Plant Protein Powd...	OM MUSHROOM SUPERFOOD	$28.00	4.4 ★	—	—	Oct 9
Orgain Organic Vegan 21g Protein Powder, Fruity Cereal, 2.03 lb	Orgain	$27.63	4.0 ★	—	—	Oct 7
Optimum Nutrition Gold Standard Isolate Protein Powder Chocolate Bliss 3 LB	Optimum Nutrition	$89.99	4.6 ★	—	—	Oct 9
Dymatize ISO100 Protein Powder, 100% Whey Isolate, Fudge Brownie	Dymatize	$42.49	4.6 ★	—	—	Oct 8
Jocko Fuel Whey Protein Powder, Strawberry Milkshake \| 27 Servings	Jocko Fuel	$39.99	4.4 ★	—	—	Oct 7
NOW Sports, Whey Protein Isolate 25 g With BCAAs, Vanilla Flavor, 5 lbs	NOW Foods	$98.95	4.3 ★	+40.3%	—	Oct 9
Ascent 100% Whey, Native Whey Protein Blend - Clean Post Workout Recovery, Digesting, Z...	Ascent	$62.11	4.6 ★	—	—	Oct 9
Ancient Nutrition Grass Fed Bone Broth Protein Powder, Chocolate	Ancient Nutrition	$45.01	4.4 ★	—	—	Oct 9
KOS Vegan Protein Powder Erythritol Free, Chocolate - Organic Pea Protein Blend, Plant ...	KOS	$41.90	4.3 ★	—	—	Oct 8
JUST INGREDIENTS Chocolate Protein - Grass-Fed Whey - 15 Servings 24g	JUST INGREDIENTS	$39.99	4.6 ★	—	—	Oct 8
Organic Plant Based Protein Powder \| Vegan Organic Protein Powder Vanilla Flavored with...	Sunwarrior	$22.92	4.5 ★	—	—	Oct 8
wellious Almond Vegan Protein Powder, Vanilla, 18g Protein, Soy-Free	wellious	$32.00	4.4 ★	—	—	Oct 9
Beverly International UMP Protein Powder, Chocolate, 32.8 oz	Beverly International	$46.95	4.8 ★	—	—	Oct 9
Unjury Protein Powder, Unflavored, 21g, 15 Servings, 12.7oz.	Unjury	$29.99	4.2 ★	—	—	Oct 9
GHOST Whey Protein Powder, Coffee Ice Cream - 2LB, 25G of Protein	GHOST	$52.24	4.4 ★	—	—	Oct 7
ProMix Nutrition Whey Isolate Powder, Vanilla - 2.5 Pound	ProMix Nutrition	$53.81	4.1 ★	—	—	Oct 8
BARE PERFORMANCE NUTRITION, BPN Whey Protein + Casein Protein Powder Blend, Fudge Choco...	BARE PERFORMANCE NUTRITION	$49.99	4.6 ★	—	—	Oct 9
Ancient Nutrition Grass Fed Bone Broth Protein Powder, Vanilla	Ancient Nutrition	$31.76	4.4 ★	—	—	Oct 7