While Curcumin, which is an ______ found in turmeric helps to reduce ______,extremely high doses of it can ______ headache and nausea.

The sentence discusses curcumin, a substance in turmeric, noting its health benefits and potential side effects. The blanks require words that describe what curcumin is, what it helps with, and what it may negatively lead to in excess.

Of the choices given, "ingredient" correctly identifies curcumin as a component of turmeric, and "induce" accurately describes how excessive intake can bring about symptoms like headache and nausea. The middle word "inflammation" fits the narrative, as curcumin might be anti-inflammatory in nature.

Option A: [Enzyme; abrasion; infuse] doesn’t fit—as “abrasion” (which refers to the process of scraping something) is unrelated. Option B:[Alkali; infection; promote] is inaccurate because using "promote" in the case of describing something negative is awkward. (Also, curcumin is not an alkali.) Option C:[Alchemy; injury; cause] is also incorrect, as “alchemy” is not a substance. Only Option D:[ingredient; inflammation; induce] matches both scientific accuracy and sentence flow.

Hence, option D is the correct choice.