14 Best Ingredients for Detox Smoothies

3–4. Lemon & Lime

Both citrus fruits are rich in vitamin C — a critical antioxidant.

Vitamin C:

• Supports immune function
• Helps regenerate glutathione (a major detox antioxidant)
• Improves iron absorption

Drinking warm lemon water may help hydration, but it does not alkalize the body or “flush toxins.”

Dr. Frank Lipman, integrative medicine physician, says:

“Hydration is the real hero. Lemon water works because you’re drinking more fluids.”

Lime contains flavonoids and antioxidants similar to lemon. However, the claim that lime directly stimulates specific liver enzymes in a clinically meaningful way lacks strong human data.

Best for: immune support, flavor enhancement, increasing water intake.