Nutree Pure Apple Cider Vinegar 100% Natural and made from cider or natural apples with strands of mother made from best quality Himalayan Apples. It is pure, raw, unfiltered and unpasteurized. It is Gluten Free, no Trans-fat, no artificial, dairy free, vegetarian, cholesterol free, and vegan. Hold up this bottle towards light and you will see some fine strands floating in it. This is the restorative powerhouse " MOTHER OF VINEGAR" that make Nutree Pure ACV the best buy for your good health. What is " THE MOTHER " in Apple Cider Vinegar? Apple cider vinegar contains the culture of beneficial bacteria which looks like a complex structure of beneficial acids that have health benefits. It turns regular apple cider into vinegar in the first place. This is similar to the SCOBY (also called a "mother") in Kombucha making. Pasteurized vs. Unrefined & Unfiltered Apple Cider Vinegar In ACV particularly, "the mother" is a complex structure of beneficial acids that functional health benefits. Unrefined vinegars have a murky appearance and typically still contain the mother culture. Clear and pasteurized vinegars typically do not contain the mother culture and don't carry the same benefits. Refined and clear vinegars are great for cleaning as they don't leave residue. Raw, unfiltered and unrefined versions contain many more beneficial properties for culinary uses.