Investigation Reveals Supplements with 12-Fold Overdose

Which? investigation finds dietary supplements with up to 12 times the safe maximum levels for vitamins and minerals on online platforms.

# Investigation Reveals Supplements with 12-Fold Overdose

An investigation by the consumer organization Which? has uncovered alarming findings about dietary supplements available online.

Main Findings of the Investigation

The investigation found supplements with dangerously high dosages:

Vitamin D: - Products with 10,000 IU (250µg) and even 50,000 IU (1,250µg) - Risk: Hypercalcemia, kidney damage

Vitamin B6: - Supplements with 100mg (recommended maximum: 10mg) - Risk: Peripheral neuropathy

Zinc: - Products with 50mg (double the safe upper limit) - Risk: Copper deficiency

Affected Platforms

Problematic products were found on AliExpress, Amazon, eBay, Superdrug, Temu, and TikTok Shop.

Calls for Stricter Regulation

Which? demands stronger regulation of the UK supplement market and better monitoring of online platforms.

Source: [Natural News Desk](https://naturalnewsdesk.co.uk/2025/10/25/better-supplements-regulation-desperately-needed-which-claims-as-investigation-flags-products-with-12x-safe-limit/)

*Hinweis: Diese Zusammenfassung dient Informationszwecken. Die dargestellten Studienergebnisse sind keine zugelassenen Health Claims. Für detaillierte Informationen konsultieren Sie bitte die Originalquelle.