Yes, because artificial sweeteners do not raise glucose to the magnitude that carbs and sugars do. Replacing regular sugary soda with a diet soda can reduce or avoid a spike. Foods sweetened with artificial sweeteners may still contain carbs that will spike glucose; check the nutrition facts label. The nutrition guidance found in the Lingo Fundamentals promotes veggies, protein, and savoury over sweet foods—limiting sweets altogether.
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Alsunni AA. Effects of Artificial Sweetener Consumption on Glucose Homeostasis and Its Association with Type 2 Diabetes and Obesity. Int J Gen Med. 2020 Oct 6; 13:775-785. doi: 10.2147/IJGM.S274760. PMID: 33116769; PMCID: PMC7547772.