Natrogix via Amazon offers the Natrogix Green Superfood Powder for $19.99. Coupon code "RMICT9GD" cuts the price to $12.99. Plus, Prime members bag free shipping. That's tied with our mention from three weeks ago, $23 off, and the lowest price we could find. It features features 32 organic real food ingredients, including spirulina, acai berry, and spinach.