**To qualify, you must be a health care practitioner in a qualifying U.S. state with a valid Emerson Ecologics account. Limit one sample per qualifying practitioner, offer valid only while supplies last. Any abuse of this offer, as determined by us in our sole discretion, may result in the rescission of the offer. Offer is not redeemable for cash. Offer is subject to modification or termination at any time without notice in our sole discretion. Offer not valid in all states and void where prohibited or restricted by law.