Quick Answer: The 15 best high-protein snacks at Costco include Kirkland beef jerky, Premier Protein shakes, Kirkland hard-boiled eggs, Greek yogurt cups, and string cheese multipacks, among others. These bulk buys deliver strong protein-per-dollar value and are consistently stocked at most Costco locations. If you’re stocking a week’s worth of snacks for one or a household of four, Costco’s warehouse pricing makes these picks genuinely worth the trip.
Key Takeaways
- Most of the 15 best high-protein snacks at Costco deliver 10 to 30 grams of protein per serving.
- Costco’s bulk packaging cuts the per-unit cost significantly compared to grocery store equivalents.
- Kirkland Signature items (Costco’s store brand) offer the best protein-per-dollar ratio on this list.
- Shelf-stable picks like jerky, protein bars, and tuna pouches are ideal for high-protein snacks for work.
- Refrigerated options like Greek yogurt and cottage cheese require planning but deliver more whole-food protein.
- Always check the label: some “protein snacks” at Costco have high sodium or added sugars that may not fit your goals.
- Buying in bulk only saves money if you’ll actually use the product before it expires.
- This list works for muscle gain, weight loss, and general high-protein eating, though individual needs vary.
Why Costco Is a Smart Stop for High-Protein Snacks
Costco sells protein snacks in bulk at prices that are hard to match anywhere else. A single box of 18 Premier Protein shakes at Costco typically costs less per shake than buying a 4-pack at a regular grocery store. For anyone eating high-protein consistently, that difference adds up fast.
The warehouse model works best when:
- You eat the same snacks regularly (no variety fatigue)
- You have storage space for large packages
- You’re feeding multiple people or meal prepping for the week
If you’re comparing options at other stores, our guide to best high-protein foods at Costco covers full meals and pantry staples beyond snacks.
The 15 Best High-Protein Snacks at Costco (Bulk Buys Worth It)
Here are the top picks, organized by category. Protein counts are per serving based on current packaging (always verify on the label, as formulas can change).
Meat-Based Snacks
1. Kirkland Signature Beef Jerky
One of the most popular items in the warehouse. Each 1-ounce serving delivers roughly 10 to 11 grams of protein. The large bag gives you excellent value compared to name-brand jerky. Watch the sodium, though: it runs high at around 590mg per serving.
2. Jack Link’s Beef Sticks (Multipack)
These individually wrapped sticks are easy to grab and go. Each stick has about 6 to 7 grams of protein and is shelf-stable, making them great for travel or desk drawers.
3. Chomps Grass-Fed Beef Sticks
Costco carries these periodically. They’re leaner than most jerky sticks and have a cleaner ingredient list. Each stick has around 9 grams of protein with lower sodium than traditional jerky.
4. Kirkland Signature Turkey Jerky
A lighter alternative to beef jerky with a similar protein count. Roughly 10 grams per serving with slightly less fat. Good option if you prefer poultry-based snacks.
Dairy and Egg Snacks
5. Kirkland Signature Hard-Boiled Eggs
Pre-peeled, ready to eat, and sold in a pack of 2 dozen. Each egg has about 6 grams of protein. These are one of the most convenient whole-food protein sources in the store. They keep in the fridge for up to 5 days after opening.
6. Kirkland Signature Greek Yogurt Cups
These come in a large multipack and each cup has around 15 to 17 grams of protein. Look for the plain or vanilla varieties to keep added sugar lower. Pair with fruit or nuts for a more filling snack.
7. String Cheese Multipack (Sargento or Kirkland)
Each stick has about 7 to 8 grams of protein. The packs contain 48 sticks, which makes the per-stick cost very low. Great for kids and adults alike.
8. Kirkland Signature Cottage Cheese
Sold in large tubs. A half-cup serving has roughly 14 grams of protein. Cottage cheese is one of the most underrated high-protein snacks because it’s filling, versatile, and inexpensive per gram of protein.
Ready-to-Drink Protein Shakes
9. Premier Protein Shakes (18-Pack)
Each 11.5 fl oz shake has 30 grams of protein and only 160 calories. This is one of the best protein-per-calorie ratios on the entire list. The 18-pack at Costco is consistently one of the best deals in the protein shake market.
10. Orgain Organic Protein Shakes
A plant-based option for those avoiding dairy. Each shake has 16 grams of protein from pea and brown rice protein. Sold in a 12-pack at Costco. The taste is milder than whey-based shakes.
Bars and Packaged Snacks
11. Quest Protein Bars (Multipack)
Each bar has 20 to 21 grams of protein and around 4 to 5 grams of net carbs. Costco sells these in 12 to 14-bar boxes, which brings the per-bar cost well below what you’d pay at a supplement store. Good for low-carb or keto eating patterns. See more ideas in our high-protein keto meal prep guide.
12. Kirkland Signature Protein Bars
Costco’s own brand protein bars are a budget-friendly pick with 21 grams of protein per bar. They’re similar in texture and macros to Quest bars but cost less per bar in the bulk box.
13. RXBARs (Multipack)
Made with whole ingredients (egg whites, dates, nuts). Each bar has 12 grams of protein. Sold in a large variety pack at Costco. These are a good option if you prefer a shorter ingredient list with no artificial sweeteners.
Nuts, Seeds, and Plant-Based Picks
14. Kirkland Signature Roasted Almonds
A 3-pound canister is one of Costco’s best bulk values. A 1-ounce serving has about 6 grams of protein plus healthy fats that help with satiety. These are not a high-protein snack on their own, but they pair well with other items on this list.
15. Seapoint Farms Dry Roasted Edamame
Each 1-ounce serving has about 14 grams of protein, which is unusually high for a plant-based snack. Sold in a large resealable bag at Costco. Crunchy, shelf-stable, and a solid pick for vegetarians and vegans. For more plant-based protein ideas, check out best high-protein snacks overall.
How Do These Costco Picks Compare to Other Stores?
Costco’s bulk pricing is hard to beat, but it’s worth knowing how it stacks up against alternatives.
| Store | Strength | Weakness |
|---|---|---|
| Costco | Lowest per-unit cost, large variety | Must buy in bulk, need membership |
| Trader Joe’s | Unique options, smaller quantities | Higher per-unit cost |
| Sam’s Club | Similar bulk pricing to Costco | Smaller protein snack selection |
| Walmart | No membership needed | Less variety in premium protein snacks |
| Whole Foods | Clean ingredients, specialty items | Significantly higher prices |
If you shop at multiple stores, our best high-protein snacks at Trader Joe’s guide and best high-protein foods at Sam’s Club comparison are worth bookmarking.
Choose Costco if you eat the same snacks week after week, have storage space, and want the lowest cost per gram of protein. Choose Trader Joe’s if you want smaller quantities or more variety without committing to a bulk buy.
What Makes a Costco Protein Snack Actually Worth Buying?
Not every “protein snack” at Costco is a good deal. Here’s the criteria I use when evaluating whether a bulk buy is worth it.
Good signs:
- At least 10 grams of protein per serving
- Reasonable calorie-to-protein ratio (aim for under 15 calories per gram of protein)
- Ingredients you recognize
- Long enough shelf life to use the whole package
Red flags:
- High added sugar (over 10 grams per serving for a snack)
- Very high sodium if you’re eating multiple servings per day
- Short expiration date on a large package you can’t finish in time
- “Protein-enhanced” labeling on what is essentially a candy bar
Common mistake: buying a 48-count box of protein bars because the price looks great, then getting bored of the flavor by week two and letting half the box expire. Stick to flavors you’ve already tried.
Are These High-Protein Costco Snacks Good for Meal Prep?
Yes, several of these snacks fit directly into a structured meal prep routine. The shelf-stable items (jerky, protein bars, edamame, tuna pouches) require no prep at all. The refrigerated items (hard-boiled eggs, Greek yogurt, cottage cheese, string cheese) pair well with prepped meals throughout the week.
For a full weekly approach, these snacks work well alongside a 7-day high-protein meal prep plan. Pairing snacks with prepped proteins and grains keeps your total daily protein on track without needing to think about it at every meal.
Snack timing tip: Protein snacks between meals work best when you’re eating 3 to 4 hours apart. A 20 to 30 gram protein snack mid-afternoon can reduce hunger at dinner and help hit daily protein targets without overeating at meals.
Frequently Asked Questions
Q: Does Costco have good protein snacks for weight loss?
Yes. Premier Protein shakes (30g protein, 160 calories), hard-boiled eggs, and Greek yogurt are all low-calorie, high-protein options that support satiety. Avoid bars with high added sugar if weight loss is your goal.
Q: What is the highest-protein snack at Costco?
Premier Protein shakes lead the list at 30 grams per serving. Among solid foods, Kirkland Signature Protein Bars and Quest Bars both hit around 20 to 21 grams per bar.
Q: Are Costco protein snacks cheaper than Amazon?
For most items on this list, yes. Costco’s warehouse pricing on Premier Protein shakes, Quest Bars, and jerky typically beats Amazon’s Subscribe and Save pricing, though it varies by product and timing.
Q: Do I need a Costco membership to buy these snacks?
Yes, a standard Costco membership is required to shop in-store. Some Costco items are available through Costco’s website or third-party sellers, but prices are usually higher outside the warehouse.
Q: Which Costco protein snacks are best for kids?
String cheese multipacks, hard-boiled eggs, and RXBARs are the most kid-friendly options. Avoid high-caffeine protein products and check sodium levels for younger children.
Q: Are these snacks good for building muscle?
They support muscle building when combined with adequate total daily protein (generally 0.7 to 1 gram per pound of body weight, per most sports nutrition guidelines) and resistance training. No snack alone builds muscle. See our high-protein meal prep for muscle gain guide for a full approach.
Q: How long do Kirkland hard-boiled eggs last?
The package is typically good for 5 days after opening when refrigerated. Check the use-by date on the package before buying.
Q: Can I find these snacks at every Costco location?
Most items on this list are stocked at the majority of U.S. Costco locations, but availability can vary by region. Seasonal items and limited-time buys may not always be in stock.
Q: Are there vegetarian or vegan protein snacks at Costco?
Yes. Dry roasted edamame, Orgain plant-based protein shakes, RXBARs (check the label, as some contain egg whites), and roasted almonds are the best plant-based options on this list.
Q: What’s the best Costco protein snack for travel?
Beef jerky, beef sticks, protein bars, and dry roasted edamame are all shelf-stable and TSA-friendly. Premier Protein shakes in individual cartons also travel well.
Conclusion: Stock Smart, Snack Smarter
The 15 best high-protein snacks at Costco cover a wide range of tastes, dietary needs, and budgets. Whether you want a quick shake with 30 grams of protein, a handful of edamame with 14 grams, or a simple hard-boiled egg at 6 grams, Costco’s bulk pricing makes stocking up genuinely worthwhile.
Actionable next steps:
- Start with 2 to 3 items from this list that match your current eating habits before committing to large quantities.
- Check expiration dates before buying anything in bulk.
- Calculate the cost per gram of protein for any new product to make sure it’s actually a good deal.
- Pair these snacks with a structured meal prep routine for the best results. Our high-protein meal prep for beginners guide is a good starting point.
- Revisit this list seasonally, as Costco rotates some products and adds new items throughout the year.
Buying in bulk works when you have a plan. These picks give you a solid foundation to hit your protein goals without overspending or overcomplicating your week.
Nutrition note: BeefSteakVeg shares general food and meal prep information only. This is not medical or nutritional advice. Always check product labels, ingredients, allergens, serving sizes, prices, and storage instructions before buying or eating packaged foods.
Written by Maya Carter, meal prep writer and home cook at BeefSteakVeg.
Maya Carter | Editorial Policy | Affiliate Disclosure
