Vitamin K can matter for anyone on warfarin or other vitamin-K-antagonist therapy. Nattokinase raises real questions for anticoagulant or antiplatelet use, bleeding-risk situations, and planned surgery. Consult a doctor before use if any of this applies.
Five of Boostaro's seven ingredients share a combined 725mg proprietary blend weight without individual dose disclosure. We flag this directly rather than implying full transparency.
We did not identify a qualifying published human clinical trial testing the finished Boostaro product itself.
Sudden chest pain, severe shortness of breath, fainting, severe dizziness, sudden weakness, or severe allergic reaction should be treated as medical emergencies, not supplement questions.
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