Many doctors believe that desiccated thyroid gland (Armour, etc.) is unreliable, but many patients feel better on it.
Placing a fresh bar of soap under the bottom sheet near where the legs will rest may prevent nocturnal leg cramps. Could limonene in the fragrance help explain this effect?
To see whether soap in bed will protect you from leg cramps at night, unwrap a bar and put it under the bottom sheet or apply liquid soap.