Guide

Yes, plain water is allowed for a fasting cholesterol test; skip coffee, tea, sweeteners, and flavored drinks unless your clinician says otherwise.

Yes, taking too many probiotics or prebiotics can trigger gas, cramps, or diarrhea; there’s no official max, so increase slowly and adjust to symptoms.

Yes, you can have wine on a plant-based diet when the wine skips animal-based fining or carries a vegan label.

Yes, small sips of water are usually allowed for ultrasound fasting; some scans need a full bladder, so follow your clinic’s prep.

No, diet alone cannot heal cancer; food supports care but is not a cure for cancer.

No, strict animal-based diets exclude white rice; flexible versions may allow small, strategic servings.

Yes—small lemon water during intermittent fasting is usually fine; strict fasts only allow plain water since lemon adds a few calories.

No, food alone can’t heal thyroid disease; diet helps the thyroid, but diagnosis and medication set the course.

Yes, zero sugar soda can fit a fast, but sweeteners in diet soda may nudge insulin and blunt autophagy-focused fasts for some people.

No—strict carnivore sticks to animal foods; most zero sugar creamers use plant oils or sweeteners, so skip them or use plain heavy cream.