Estimated by Mon, 11 Aug - Wed, 13 AugEstimated delivery Mon, 11 Aug - Wed, 13 Aug
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30 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.
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Dosage Doses ofVitamin B3 Powder vary depending on varying factors such as the user’s age and gender. Doses range from 1mg-35mg. The RDA for Vitamin B3 is 1.4mg. Vitamin B3 Usage, Dosage and Side Effects.