Commercial pectin is in fact derived from natural sources, usually apples or citrus rinds. However, they’re pretty opaque about how it’s made, so we cannot know if they pass the Unprocessed sniff test. Fortunately, you can make your own.
Intimidated by home brewing? Get your feet wet with a very basic cider recipe. This foolproof cider uses store-bought juice, regular cane sugar and raisins. The only specialty item you'll need is a single pouch of champagne yeast.