Human Biochemistry
Atomic Elements
Major Essential Elements
Minor Elements
Non-Essential or Toxic Elements
Potentially Beneficial Elements
Trace Essential Elements
Ultratrace Essential Elements
Body Fluids & Secretions
Digestive Secretions
Exocrine Secretions
Lymphatic, Interstitial, and Ear-Related
Interstitial & Lymphatic Fluids
Reproductive Fluids
Synovial and Cerebrospinal Fluids
Waste Fluids
Cellular Structures & Organelles
Cell Division Components
Cell Junctions
Cytoplasmic Components
Energy Producers
Membrane Systems
Protein Synthesis and Degradation
Structural Components
Energy & Metabolic Pathways
Immune System Components
Antibodies
Blood Components
Cells
Complement proteins
Inorganic Molecules & Ions
Acids & Bases
Gases
Ions & Electrolytes
- Ammonium (NH₄⁺)
- Bicarbonate (HCO₃⁻)
- Calcium ion (Ca²⁺)
- Chloride ion (Cl⁻)
- Cyanide (CN⁻)
- Fluoride (F⁻)
- Hydroxide (OH⁻)
- Hypochlorite (OCl⁻)
- Iodide (I⁻)
- Iron ion (Fe²⁺, Fe³⁺)
- Magnesium ion (Mg²⁺)
- Nitrate (NO₃⁻)
- Nitrite (NO₂⁻)
- Phosphate (PO₄³⁻)
- Potassium ion (K⁺)
- Silicate (SiO₄⁴⁻)
- Sodium ion (Na⁺)
- Sulfate (SO₄²⁻)
- Sulfite (SO₃²⁻)
- Thiocyanate (SCN⁻)
- Zinc ion (Zn²⁺)
Mineral Complexes
Reactive Molecules
Microbiome Components
Gut Microbiota
Oral Microbiota
Other Microbial Components
Respiratory Microbiota
Skin Microbiota
Organic Molecules
Carbohydrates
Coenzymes & Cofactors
- Biotin (Vitamin B7)
- Cobalamin (Vitamin B12)
- Coenzyme A
- Coenzyme Q10 (Ubiquinone)
- Flavin adenine dinucleotide (FAD/FADH₂)
- Heme
- Lipoic acid
- Nicotinamide adenine dinucleotide (NAD/NADH)
- Pantothenic acid (Vitamin B5)
- Pyridoxal phosphate (Vitamin B6)
- Tetrahydrofolate (Vitamin B9)
- Thiamine pyrophosphate (Vitamin B1)