Ignite your inner flame with Apothékary's Blue Burn Tincture. Blue Burn is a clinical herbalist-crafted supplement for a balanced metabolism & endurance support, with no synthetic vitamins or additives necessary. Our plant-based formulas feature potent herbs backed by centuries of tradition and affirmed by modern science. For Blue Burn, our in-house clinical herbalists selected some of the best plants nature has to offer. Our herbal extract contains 0gs of sugar, has 0 calories, and is vegan and gluten-free.