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🧭 Consumer Says Magnesium Supplement Had 29x Recommended B6
- In May 2023, Melbourne man Dominic Noonan‑O’Keeffe began taking Blackmores magnesium supplements. Months later, he experienced fatigue, muscle spasms, migraines, and neuropathy.
- Doctors linked these symptoms directly to excessive vitamin B6, reportedly at 29 times the recommended daily intake.
⚖️ Class-Action in the Works Amid Growing Complaints
- His lawyers at Polaris Lawyers are preparing a class action, now that hundreds of Australians claim similar nerve disorders after taking over-the-counter supplements.
- The Therapeutic Goods Administration (TGA) has stepped in: over 170 reports were logged over B6-linked neuropathy, and interim regulations would move high-dose B6 products behind the pharmacy counter
🏥 Dangers of Vitamin B6 Overdose
Vitamin B6 (pyridoxine) is essential, but too much can be harmful:
- High doses—especially over 50 mg/day—have been linked to peripheral nerve damage
- Symptoms include tingling, numbness, burning sensations, muscle weakness, headaches and even visual issues.
🛡️ Blackmores Defends Its Reputation
- Blackmores maintains its products are fully compliant with TGA regulations, include proper labels, and meet permitted dosage limits.
- However, the TGA’s interim decision suggests stricter rules: products over 50 mg/day of B6 may become Pharmacist Only, with mandatory warnings for anything above 10 mg/day.
🔍 What This Means for Consumers

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