Enter iHerb Coupon Code HPP781 for the month of January to get $10 off orders over $40 and free shipping (new customers). Plus, get a free sample with every order. Returning customers have the opportunity of receiving VIP discounts of an additional 10% off orders over $100 once they have reached the VIP status threshold. To get this deal enter code HPP781 into the "referral" box at checkout.