Pearl powder

Tier 3 — weak evidence · Skin · Calcium · Anti-aging claims

Ground freshwater or seawater pearls used in traditional Chinese medicine for skin beauty and as a calcium source. Contains calcium carbonate, amino acids, and trace minerals. No human RCTs support anti-aging or skin beauty claims from oral use. Calcium content is real but far cheaper sources (calcium carbonate) provide identical benefit.

Dose: 500–1,000 mg/day; no clinical evidence for beauty claims; expensive calcium source