Grape (Vitis vinifera): guide to the grapevine, its antioxidant and cardioprotective properties, leaf tea preparation, and anticoagulant contraindications.

Common Ivy (Hedera helix): leaves used in syrups and teas for cough and bronchitis, with standardized preparation and precautions in pregnancy and children.

Maca (Lepidium meyenii): Andean root used in powder, capsules, and extracts for energy and fertility, with cautions in pregnancy and thyroid conditions.

Beetroot (Beta vulgaris): guide to properties, juice and recipe preparation, contraindications, and cautions for low blood pressure or kidney stones.

Arabica coffee (Coffea arabica): guide to traditional uses, brewing methods, and contraindications for caffeine sensitivity and pregnancy.