Affiliate Battle: iHerb vs Vitacost

iHerb Rewards vs Vitacost’s Refer A Friend – Which Affiliate Network is Better? Vitacost and iHerb are two large online stores for natural products and supplements. I’m sure there are more, but these two ships worldwide, and have gained reputation with their affiliate networks. IHERB: Iherb rewards program started as a MLM program, but it…