Vitamins are sensitive to light, heat, and moisture. Improper storage can cause them to lose potency or even spoil.

Buying larger quantities reduces the cost per unit, which is ideal for supplements you take daily.

A bulk supply means fewer reorders and less risk of running out of essential nutrients.

Stores like Sprouts Farmers Market often have bulk vitamin sales where you can get 25% off entire categories. Key Advantages

Retailers like Costco and BJ's are standard go-tos for oversized bottles of daily multivitamins and fish oils.