30 mg is not a high dose of curcumin. 400mg is a common dose in other products.
The lady who reportedly defeated her blood cancer with curcumin (https://www.thesun.co.uk/news/5258742/cancer-patient-67-beats-the-disease-with-the-help-of-turmeric-after-five-years-of-chemo-failed/), takes an exceptionally high dose of 8,000 mg (8 grams) per day.
Curcumin is also a powerful anti-inflamatory, if you have arthritis. It is a powerful anti-oxidant. 1,000 mg (1 gram) per day was shown to be as effective against depression as prozac.
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I’m going to look into this, thanks.