However, level of lactose tolerance varies greatly from person to person, so if consuming dairy seems to make your IC symptoms worse, you may want to consider getting your calcium and vitamin D from other IC-friendly sources: Lactose-free, almond or rice milk with as few ingredients as possible.
Is almond milk good for the bladder?
Be Mindful of Dairy
While vitamin D is actually great for bladder health, lactose is a pain point for many individuals. Food and drinks high in lactose can cause loose stool and may irritate the colon. Opt for dairy-free alternatives that are high in vitamin D such as eggs, almond milk and salmon.
Can you eat yogurt with interstitial cystitis?
Select low fat and fat-free dairy, such as skim milk or 1 percent. Eat low-fat yogurt* without added sugar or artificial sweeteners.