Synthroid amounts. Consumer ratings reports for SYNTHROID. If a patient has a normal thyroid level and uses Synthroid, the patient likely will not see a noticeable amount of weight loss, according to the Synthroid website. . swallow the tablet form, the tablet can be crushed and mixed with a small amount of . . both thyroid out. Learn about the prescription medication Synthroid (Levothyroxine Sodium), drug uses . Small amounts of . . . I have been on synthroid for 3 years now . Do not take in ... more