5. Oats

Oats are a whole grain rich in fiber, which helps with digestion and maintaining steady blood sugar levels. They also provide protein and essential vitamins and minerals.
Average Cost
- $0.10 – $0.20 per serving (40 grams).
Why It’s Healthy
- Fiber: Supports digestive health and lowers cholesterol.
- Protein: Provides sustained energy and supports muscle health.
- Nutrients: Rich in vitamins, minerals, and antioxidants.
Best Place to Buy
- Bulk Food Stores: WinCo Foods, Sprouts.
- Discount Retailers: Walmart, Aldi.