There are two upgrade options available for this and most other Airpura models:
Non-medicinal ingredients: Pullulan Capsule (Organic pullulan starch
rather than a 2" deep one (which represents 26 pounds of carbon per filter
each product featuring the core Kefi-Soy and Brewer's Yeast base with an additional combination of herbs or nutraceuticals to help support a variety of digestive issues
Not to be taken immediately before bedtime
Incrediwear - Fingerless Circulation Gloves Select Size:M (for palm width up to 3.5"/9 cm) There are two upgrade optionsInfo: Pair of Gloves; Available in Two Unisex Sizes, in Grey Think gloves are just for outdoor use? Think again. If you're prone to developing stiff, numb, cold, swollen, or painful fingers and hands even indoors whether due to circulation problems such as Raynaud's syndrome, or to joint pain brought on by arthritis, tendonitis, or other injuries, or even just to the chilly temperatures in the room but you still want to maintain your ability to type,