Iron helps digestion.

Carlson - Kid's Chewable Iron, 15 mg, Superior Absorption, Blood Health, Energy Production & Optimal Wellness, Natural Strawberry Flavor, 60 Tablets
https://a.co/d/8E71jLI

Carlson - Kid's Chewable Vitamin C, 250 mg, 1 g of Sugars, Immune Support & Optimal Wellness, Antioxidant, Tangerine, 120 Vegetarian Tablets
https://a.co/d/44w8ehO

Superior Source Vitamin C 500 mg MicroLignual Tablets - Buffered VIT C Sour Cherry Melts - Immune System Booster, Energy Vitamins - 90 Count
https://a.co/d/ivU4kyo