Black seed oil has a favorable safety profile supported by clinical research and thousands of years of traditional use. Side effects are uncommon and typically mild (digestive discomfort in 1-3% of users). However, meaningful drug interactions exist with blood thinners, blood pressure medications, and diabetes drugs—requiring medical consultation before combining.
Pregnant and breastfeeding women should avoid black seed oil, as should those with bleeding disorders or upcoming surgeries. Starting with low doses, taking with food, and choosing quality-tested products minimizes risk for everyone else.
Have questions about black seed oil safety that we didn't cover? Drop them in the comments below—we believe every question deserves an honest answer.
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