C - Natural Products
- Caffeine (caffeine)
- Calcium (Calcium)
- Calendula (calendula, pot marigold, gold-bloom)
- California Poppy (California poppy)
- Caraway (caraway, carum)
- Cascara Sagrada (cascara sagrada, cascara, bitter bark, chittem bark, sacred bark)
- Cat’s Claw (cat's claw, uña de gato)
- Catnip (catnip, catmint)
- Cayenne (cayenne, chili pepper, paprika, red pepper, tabasco pepper)
- Chamomile (chamomile, German chamomile)
- Chasteberry (chasteberry, chaste-tree berry, vitex, monk's pepper)
- Chondroitin Sulphate (chondroitin sulfate)
- Chromium (chromium)
- Coenzyme Q10 (coenzyme Q10, ubiquinone-10, CoQ10, ubidecarenone)
- Copper (copper)
- Cranberry (cranberry, American cranberry, bog cranberry)
- Creatine (creatine, creatine monohydrate)
