Consult your healthcare professional before using SARMs, especially if you have, or have a family history of, prostate cancer, prostate enlargement, heart disease, low âgoodâ cholesterol (HDL), or if you are using any other dietary supplement, prescription drug, or over-the-counter drug.
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The COB Contractor toll-free customer service telephone number is 1-800-999-1118. The COB Contractor fax numbers are 1-646-458-6760 and 1-646-458-6762. For more information, visit the website address at www.cms.hhs.gov/medicare/cob.