Guar gum , is safe to use in food material as it is carbohydrate.

While guar gum may be generally safe in moderation for most, some people should limit their intake. Though the occurrence is rare, this additive may trigger an allergic reaction in some people. Furthermore, it can cause digestive symptoms, including gas and bloating https://www.healthline.com/nutrition/guar-gum

Guar gum is a fiber from the seed of the guar plant. Guar gum is used as a laxative. It is also used for treating diarrhea, irritable bowel syndrome (IBS), obesity, and diabetes; for reducing cholesterol; and for preventing “hardening of the arteries” (atherosclerosis).. https://www.rxlist.com/guar_gum/supplements.htm

Check https://www.webmd.com/vitamins/ai/ingredientmono-919/guar-gum