My dad use to drink guinness every night, about 3-4 pints after work and he was so healthy, then he gave up the drink and cigs about 5 years ago and got everything
You can get a liquid one in the chemist which isn't as harsh i had to get it when i was pg with dd galfor had me in a terrible state can't remember the name of it now but if you ask i am sure the pharmacist will know