When it comes to this type of course mostly what you will need is a computer and a will to learn. Yes just a computer! You can learn this whole course from the comfort of your own home. With the help of the internet all you have to do is seat at home and learn yourself to safety. The harder part here may come when you are searching for the courses.
The same way you will be doing the course online is the same way that you will find the site that will offer you the course. So when you go online you will search for food safety certificate or food handler training and choose one of the many food safety courses that suit what you want.
When choosing a course it would be smart of you to choose from an experienced organization. You can measure this by the number of years the organization has been in business. The more they have worked the more experience they will have and the best training you will get.