I usually buy my resveratrol at Vitacost but decided to try Double Wood this time. There are very few products that I can buy at Double Wood because most of them include fillers like rice powder and grains and other allergens. Not sure which product is better yet. I want to complete the next question but for some reason typing doesn't show up?! I wish ALL DW products were grain-free, soy-free, dairy-free, allergen free (no nuts, legumes, essentially AIP friendly for those with autoimmune issues on the Autoimmune Protocol AIP