Calcium lactate is the mild calcium source of reverse spherification: stirred into a flavoured base, it lets the base set a thin skin when dropped into an alginate bath — all without the bitterness of calcium chloride, so the calcium can sit inside the sphere you actually eat.
PAIR's modernist science — how much to use, how it behaves with heat, and what makes it fail — is a Pro feature. The description, nutrition, history and facts stay free.