Eat shellfish shells and cartilage sources such as shrimp, crab, lobster, and crayfish
Consume bone broth made from animal bones and connective tissue
Eat animal cartilage-rich foods such as chicken feet and beef tendon
Include gelatin-rich foods made from collagen-containing animal parts
Use glucosamine-containing supplements derived from shellfish or fermentation
Choose fermented glucosamine supplements made from corn or other plant sources
Eat whole-animal preparations that include joints and connective tissues
Support natural glucosamine production by eating enough protein, vitamin C, zinc, and manganese