- Acetic Acid - Vinegar
- Ascorbic Acid - Amla
- Amino Acid - Protein
- Butyric Acid - Rancid Butter
- Carbonic Acid - Cold Drinks
- Citric Acid - Citrus Fruits (Lemon, Orange)
- Formic Acid (Methanoic) - Sting of Bees & Ants
- Glutenic Acid - Wheat
- Hydrochloric Acid - Gastric Juice
- Lactic Acid - Sour Milk, Muscles
- Malic Acid - Apples
- Oleic Acid - Olive Oil
- Oxalic Acid - Tomatoes
- Tartaric Acid - Grapes, Tamarind
- Tannic Acid - Tea
- Uric Acid - Urine