Solgar - Gold Specifics Homocysteine Modulators - 120 Vegetarian Capsules Solgar Homocysteine Modulators. Homocysteine is a harmful amino acid produced in the body. Normally changed into cystathionine which is not as harmful to the body and has the same effect. As we get older the amino acid is broken down from lack of B vitamins. Thus this product is used to help rebuild those acids in you body. It is thought that keeping Homocysteine at its correct level helps maintain a healthy Heart and Arteries. Keeping B12 vitamins and folic Acid in your steady diet helps to maintain normal levels of Homocysteine in the body.