Acidic vs Alkaline Balance Acid vs Alkaline: How Body Chemistry Affects Lymphatic Health, Inflammation, and Detox Life on Earth is governed by chemistry, and in the human body, that chemistry revolves around one key balance: acidic vs alkaline . Understanding the Body’s Two Fluid Systems The body operates through two primary fluid environments: Blood : Naturally alkaline , maintained between pH 7.35–7.45 Lymphatic system : Naturally acidic , averaging around pH 3 While blood