Vitamins, minerals, and other supplements people add to support their skin from the inside.
Supplement protocols are about what people take, not what they apply. Zinc, biotin, vitamin D, omega-3s, and B-complex routines are the common ones, often paired with a topical or diet plan rather than used on their own. Doses, timing, and how long it takes to see anything vary, so look at the milestones for each protocol to set realistic expectations before starting.
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Success = followers who report improvement. Completed = followers who finished the protocol.
Supplements is often combined with one of these.
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