Add blueberries, banana, collagen peptides, turmeric, black pepper, almond milk, almond butter, and MCT oil to a high-speed blender.
Blend on high for 30–60 seconds until smooth and creamy.
Add optional ingredients if desired and blend again.
Adjust consistency with additional almond milk as needed.
Pour into glasses and serve immediately.
Garnish with fresh blueberries if desired.