Protein & Nutrition Blog – Marmels

Bar chart of long-term study associations with higher non-sugar sweetener intake: obesity risk plus 76 percent, type 2 diabetes plus 23, stroke plus 19, all-cause mortality plus 12

Protein & Nutrition Blog – Marmels

Are Artificial Sweeteners Actually Worse Than Sugar?

by Mo Mandegar, PhD on May 26 2026
Diet drinks were supposed to settle the sugar question. The 2023 World Health Organization (WHO) guideline reviewed more than 280 studies and concluded non-sugar sweeteners do not reduce body fat long term, and may carry their own cardiovascular and metabolic signals. Here is what the evidence actually says, and what to do with it.