â¢ RECESSIVE ALLELE (noun). The noun RECESSIVE ALLELE has 1 sense: 1. an allele that produces its characteristic phenotype only when its paired allele is identical. Familiarity information: RECESSIVE ALLELE used as a noun is very rare.
Chondroitin is a molecule that occurs naturally in the body. It is a major component of cartilage, the tough, connective tissue that cushions the joints. Commercial chondroitin comes from natural sources, such as shark and bovine cartilage, or synthetic production. Chondroitin helps keep cartilage healthy by absorbing fluid (particularly water) into the connective tissue.
Glucosamine is a supplement that some people take to support bone and joint health. It may relieve pain caused by osteoarthritis and wear and tear on the joints.The body naturally produces glucosamine, but the glucosamine found in supplements comes from shellfish or is made in a laboratory.: I have arthritis and am considering taking glucosamine. A: Glucosamine is an over-the-counter (OTC) dietary supplement used to alleviate the symptoms of arthritis. It is not a FDA-approved medication; therefore, it is has not undergone the rigorous testing and approval that the FDA performs on FDA-approved products.