Aspartame is also linked in some studies to weight gain, GI disorders, mental health issues and more:
According to some studies, aspartame and other artificial sweeteners can lead to weight gain instead of weight loss 12. Aspartame has been linked to increased appetite, diabetes, metabolic derangement and obesity-related diseases 2.
One study showed that aspartame causes greater weight gain than a diet with the same calorie intake but no aspartame 1. Another study found that even acceptable daily intakes of aspartame might make you hungrier and lead to weight gain 3.
…some research suggests an association between aspartame intake and metabolic damage to the central nervous system (CNS), such as changes in enzyme and neurotransmitter activities 2. Aspartame acts as a chemical stressor by elevating plasma cortisol levels and causing the production of excess free radicals. High cortisol levels and excess free radicals may increase the brain’s vulnerability to oxidative stress which may have adverse effects on neurobehavioral health 3.
There is also some evidence that high-aspartame consumption may lead to weaker spatial orientation, irritability, depression, and other neurobehavioral conditions 14. However, these studies are limited in scope and further research is needed to determine the long-term effects of aspartame on human health.
Worth researching more, especially if you eat/drink anything with this stuff - and it’s in a lot of food products.
Full disclosure I’m going completely tangential for this one.
I find it believable at best that aspartame can cause cancer, but causing weight gain just makes no sense to me.
I used to be FAT. 250 lbs. I didn’t really make that many changes to my diet, except for cutting refined sugars way back.
I switched to Diet Coke, got off the little debbies, and I slimmed right down and now I’m hovering around 135.
It would make sense to say that I would maintain that weight or maybe gained more if aspartame was as harmful as this article says, but I’m not seeing it.
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"While aspartame is a low-calorie artificial sweetener that’s often used as a sugar substitute in diet drinks and “sugar-free” foods, there is some research suggesting that consuming artificial sweeteners might paradoxically lead to weight gain. However, the evidence is not definitive and the topic is controversial. Here are some proposed mechanisms:
Altered Metabolic Response: Some research suggests that artificial sweeteners may interfere with the body’s mechanisms for metabolizing sugar. Essentially, because your body expects sugar (and the corresponding calories) when it tastes something sweet, the consumption of low-calorie sweeteners may lead to increased food intake and a desire for sweet foods because your body is trying to get the calories it’s expecting.
Changes in Gut Bacteria: There’s also some evidence that artificial sweeteners, including aspartame, might alter the bacteria in the gut in a way that promotes weight gain and fat accumulation.
Increased Appetite: Some studies suggest that artificial sweeteners may increase appetite, leading to increased calorie consumption.
Psychological Factors: Some people may consciously or unconsciously consume more calories elsewhere in their diet because they believe they are “saving” calories by using artificial sweeteners."
I’d definitely buy the appetite increase. I think there is good research into how the brain perceives through taste and other mechanisms to understand foods as calorically dense (sweetness, umami, fatty) causes reinforcing/reward of eating behavior, making you eat more. [I really had to hold back saying “neural pathways”. Always wanted to say that. I’m not really qualified to.]
This has the look that triggers my dietary literature skepticism, but it’s not very diet-y, mostly just on the science and previous studies as far as I’ve read so far The Hungry Brain.