While the subject has been explored only through a few studies, early data indicates that aspartame – one of the most common sweeteners on the market today, and can be found in sugar-free products, such as diet beverages, chewing gum and yogurt – can trigger headaches in a small percentage of people.

What are the side effects of aspartame?

Dozens of studies have linked aspartame — the world's most widely used artificial sweetener — to serious health problems, including cancer, cardiovascular disease, Alzheimer's disease, seizures, stroke and dementia, as well as negative effects such as intestinal dysbiosis, mood disorders, headaches and migraines.

Can aspartame trigger headaches?

Can artificial sweeteners trigger headaches? Only a few studies have examined the question, but the data indicate that aspartame, which is used to sweeten hundreds of products, can trigger headaches in a small percentage of people.