najbolje je ne jesti ni jedno ni drugo ali
58 mg aspartama je količina koja nikako ne utiče na zdravlje čoveka dok 50 gr šećera jbg nanosi štete..
Pa ne znam, uvek je bolje biti na sigurnoj strani. Na primer:
But is diet soda really harmless?
The research on diet soda isn’t sugar coated.
One small study found that people who switched to diet soda instead of sweetened beverages like juices, sweetened coffee or sports drinks, increased their success in achieving 5% weight loss. Although, there were no major differences in weight loss compared with those who switched to water.
On the other hand, two large studies found people who drank regular or diet soda had higher risks of
type 2 diabetes and
metabolic syndrome, which includes health conditions like high blood pressure, high blood sugar and abnormal cholesterol. Additional studies also have linked diet soda to increased
cardiovascular risks and
vascular events, including stroke.
Additionally, some diet sodas contain aspartame, an artificial sweetener that while considered safe by the U.S. Food and Drug Association, has been suspected of causing health concerns, including cancer. When aspartame is metabolized in the body, it breaks down into methanol and then formaldehyde, a substance known to cause cancer.
That’s not the only nasty ingredient. Some regular and diet sodas contain phosphoric acid, which is also used to make agricultural fertilizers and detergent, as well as potassium benzoate, a preservative, and natural flavor, which includes any number of unknown substances.
Short and sweet? If you want to stay hydrated, drink water. 
