Share this post30-50% off pre-orders of the Vitamins and Minerals 101 bookchrismasterjohnphd.substack.comCopy linkFacebookEmailNoteOtherMasterpass Discounts30-50% off pre-orders of the Vitamins and Minerals 101 book50% back on digital versions, $12.50 (35.7%) back on the complete bundle, 30% off the paperback as a rebate 1-2 days after purchase.Chris Masterjohn, PhDJun 13, 2022∙ Paid2Share this post30-50% off pre-orders of the Vitamins and Minerals 101 bookchrismasterjohnphd.substack.comCopy linkFacebookEmailNoteOther4ShareThis post is for paid subscribersSubscribeAlready a paid subscriber? Sign in