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Protein overnight oats are already one of the easiest healthy breakfasts you can make, but a few simple add-ins can boost the protein, fiber, healthy fats, and flavor even more.
Whether you’re meal prepping for busy mornings, supporting your fitness goals, or simply looking for a more satisfying breakfast, these ingredients make it easy to customize every bowl.
Here are some of my favorite healthy add-ins for protein overnight oats.

1. Collagen Peptides
Collagen peptides dissolve easily into overnight oats without changing the flavor or texture. It’s a simple way to add extra protein to your breakfast while keeping the oats creamy and delicious. This is the collagen that I recommend.
Recommended amount:
1 scoop (10-20 grams)
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Works especially well in:
- Vanilla
- Blueberry
- Strawberry
- Pumpkin Pie
- Apple Cinnamon
2. Creatine Monohydrate
If you already take creatine as part of your daily routine, overnight oats are an easy place to add it. Since creatine is nearly flavorless, it blends right into the recipe.
Many active adults include creatine to support muscle recovery and performance as part of a balanced diet and exercise program. This is the creatine that I recommend.
Recommended amount:
3-5 grams
3. Chia Seeds
Chia seeds naturally thicken overnight oats while adding fiber, omega-3 fatty acids, and plant-based protein.
They’re already included in many overnight oat recipes because they help create a rich, creamy texture.
4. Ground Flaxseed
Ground flaxseed adds extra fiber and healthy fats while giving overnight oats a subtle nutty flavor.
It’s one of the easiest ways to increase the nutritional value of your breakfast.
Recommended amount:
1 tablespoon
5. Hemp Hearts
Hemp hearts are soft, slightly nutty, and packed with protein.
They blend beautifully into overnight oats or can be sprinkled on top just before serving.
6. Greek Yogurt
Greek yogurt is one of the easiest ways to boost the protein content while making overnight oats extra creamy.
It also adds a rich texture that makes every bite more satisfying.
7. Nut Butters
Peanut butter, almond butter, or cashew butter add healthy fats, protein, and incredible flavor.
Try:
- Peanut Butter
- Almond Butter
- Cashew Butter
- Sunflower Seed Butter
8. Fresh or Frozen Fruit
Fruit adds natural sweetness, antioxidants, and beautiful color.
Popular choices include:
- Blueberries
- Strawberries
- Raspberries
- Bananas
- Cherries
- Peaches
- Apples
- Mango
9. Pumpkin Seeds
Pumpkin seeds add crunch along with extra protein, healthy fats, and minerals.
They’re especially delicious in:
- Pumpkin Pie Overnight Oats
- Apple Cinnamon
- Maple Pecan
- Cinnamon Roll
10. Cinnamon and Spices
Simple spices can completely transform the flavor.
Try adding:
- Cinnamon
- Pumpkin Pie Spice
- Apple Pie Spice
- Nutmeg
- Ginger
- Cardamom
- Cocoa Powder
- Espresso Powder
Mix and Match Your Favorite Add-Ins
One of the best things about overnight oats is how easy they are to customize.
Some delicious combinations include:
Blueberry Almond
- Blueberries
- Almond butter
- Collagen
- Chia seeds
Chocolate Peanut Butter
- Peanut butter
- Cocoa powder
- Hemp hearts
Pumpkin Pie
- Pumpkin puree
- Pumpkin pie spice
- Pumpkin seeds
- Collagen
Mocha
- Cocoa powder
- Espresso powder
- Creatine
- Chocolate protein powder
Frequently Asked Questions
Can I add collagen to overnight oats?
Yes! Collagen peptides dissolve easily and won’t noticeably change the flavor or texture, making them one of the easiest protein add-ins.
Can I add creatine to overnight oats?
Absolutely. Creatine monohydrate is nearly flavorless and mixes well into overnight oats. If creatine is part of your daily supplement routine, it’s an easy way to remember to take it each morning.
Can I add more than one supplement?
Yes. Many people combine protein powder with collagen, creatine, chia seeds, or flaxseed for a more nutrient-dense breakfast.
Which add-ins increase protein the most?
Some of the highest-protein additions include:
- Protein powder
- Greek yogurt
- Collagen peptides
- Hemp hearts
- Peanut butter
More High-Protein Breakfast Recipes
If you love healthy meal prep breakfasts, be sure to try:
- Blueberry Protein Overnight Oats
- Peanut Butter Protein Overnight Oats
- Mocha Protein Overnight Oats
- Pumpkin Pie Protein Overnight Oats
- Orange Creamsicle Protein Smoothie
- Chocolate Peanut Butter Protein Smoothie
- High Protein Caramel Iced Coffee
- Blueberry Protein Smoothie
- Vanilla Latte Protein Shake
- High Protein Lavender Breakfast Shake
- Mocha Protein Coffee Smoothie
- Banana Peanut Butter Protein Shake
- Strawberry Protein Smoothie
- High Protein Cookies and Cream Breakfast Shake
Protein overnight oats are one of the easiest breakfasts to customize.
Whether you add collagen peptides, creatine, chia seeds, fresh fruit, or nut butter, these simple ingredients can help you create a breakfast that’s both delicious and satisfying.
Mix and match your favorite add-ins to create a new flavor combination every week.
Follow my overnight protein oats board on Pinterest.



