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Updated Cooking & Recipes
Why it exists next to soy lecithin: soy lecithin is cheaper and more common. Sunflower is marketed as soy-free, often non-GMO by default (almost all U.S. sunflower isn't GMO; most soy lecithin has been associated with GMO soy unless labeled otherwise), and extracted with different processing (often cold-pressed / without hexane in products that advertise that — check the brand).
What it does in food: a tiny amount keeps cocoa butter mixed, makes powders wettable, and smooths textures. You'll see it on labels as sunflower lecithin or lecithin (sunflower).
Supplements: sold as liquid, gel caps, or powder. People buy it for emulsifying fats in a smoothie or because a blog mentioned breastfeeding / cholesterol — those uses are not something this page should treat as medical advice. As an ingredient, think "emulsifier," not a cure.
Allergy: sunflower seed allergy is a reason to avoid it. It is not the same as a peanut. Soy-allergic people often use it as a soy-lecithin stand-in, but labels still win.
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