No published study has linked it to tumor promotion, but if you have an active malignancy, the theoretical risk of feeding blood vessels to a tumor is worth taking seriously

Engineering package Oil-carrier systems matched to phospholipid / liposomal fills Lipid-phase antioxidant protection Shell integrity and leak control Nitrogen flush / barrier pack options Co-fill feasibility review for multi-lipid antioxidant stacks Softgel size vs labeled dose math before artwork Main risks: shellfill interaction lipid-phase antioxidant imbalance overloaded oil stacks that force twin-SKU redesign taste/aftertaste if flavor-sensitive companions are added Confirm before PO: fillshell interaction screen softgel size vs dose oil antioxidant system twin-SKU plan if one softgel cannot carry the full stack barrier pack Powders & Granules Functional Beverage Stick Pack Engineering MOQ: from 10,000 units Lead time: 57 weeks Suitable for: Travel convenience Beauty supplements Daily drink rituals Subscription unit-dose Stick packs win on convenience and beauty-drink rituals, but GSH programs fail when summer shipping, weak seals, or multi-ingredient fruit/flavor stacks drive moisture ingress and oxidation

doi: 10.1016/j.ccc.2012.07.006 [PubMed] 25133498 Gosselin S, Juurlink DN, Kielstein JT, Ghannoum M, Lavergne V, Nolin TD, Hoffman RS
References DeFoor MT, Dekker TJ
Niacinamide Niacinamide, also known as Nicotinamide, is a form of Vitamin B3