Vitamin K2 MK7 side effects
Across 65 first-hand reports, people mentioned a side effect 10 times (about 15 per 100 reports). The most common: heart palpitations, anxiety, heart rhythm. User reports show what people notice — they can't tell you whether Vitamin K2 MK7 is safe for you.
Reported side effects
heart palpitations3
anxiety1
heart rhythm1
shortness of1
severe bloating1
belching1
stomach burning1
headache1
In their own words
“joint & teeth pain which got reduced when I took K2-MK7 but suddenly felt more anxious”
“I took 300 micrograms of K2 for 10 days. Then I started to develop shortness of breath.”
Is Vitamin K2 MK7 safe? What the research covers
CResearch: Limited0 meta-analyses · 1 randomized trials on PubMed
None of the top reviews we found focus on safety. All research on Vitamin K2 MK7.