Last update
4/15/2026
Reviewed By
Reviewed By
Overview
SCIENTIFIC SCORE
Moderately Effective
Based on 1 Research
8
USERS' SCORE
Moderately Good
Based on 4 Reviews
7.3
Supplement Facts
Serving Size: 1 Vegetable Capsule
Amount Per Serving
%DV
Calcium
115 mg
9%
Vitamin K2 (as menaquinone-7)
100 mcg
**
Top Medical Research Studies
8
We delved into the intriguing case of a 40-year-old man who developed severe headaches and other symptoms after exposure to rodenticide. Notably, he suffered from cerebral hemorrhage due to anticoagulant rodenticide poisoning.
Our treatment involved infusing vitamin K1, alongside other supportive measures. After nine days, his symptoms improved significantly; coagulation levels normalized, leading to his discharge. This case highlights the critical role of timely diagnosis and vitamin K1 in managing rodenticide-induced complications.
Our treatment involved infusing vitamin K1, alongside other supportive measures. After nine days, his symptoms improved significantly; coagulation levels normalized, leading to his discharge. This case highlights the critical role of timely diagnosis and vitamin K1 in managing rodenticide-induced complications.
Read More
Most Useful Reviews
7.5
Fewer headaches
A good vitamin, as recommended by an endocrinologist, my mother takes vitamin K alongside vitamin D for better absorption. Her health has improved, and she has experienced fewer headaches.
Read More
9
Not a quick fix
I take this good product, understanding its necessity for my body. I doubt the claims of immediate effects; it’s not a headache pill where pain disappears instantly. I drink it, hoping the calcium I consume won’t be wrongly deposited in my vessels.
Read More
2
Symptoms improved
7 people found this helpful
I began having daily headaches, poor concentration, brain fog, and pain around my eyes after starting MK-7. After stopping it, I felt normal again within a week. I can't definitively say MK-7 caused my symptoms.
Read More
Medical Researches
SCIENTIFIC SCORE
Moderately Effective
Based on 1 Research
8
- All Researches
8
We delved into the intriguing case of a 40-year-old man who developed severe headaches and other symptoms after exposure to rodenticide. Notably, he suffered from cerebral hemorrhage due to anticoagulant rodenticide poisoning.
Our treatment involved infusing vitamin K1, alongside other supportive measures. After nine days, his symptoms improved significantly; coagulation levels normalized, leading to his discharge. This case highlights the critical role of timely diagnosis and vitamin K1 in managing rodenticide-induced complications.
Our treatment involved infusing vitamin K1, alongside other supportive measures. After nine days, his symptoms improved significantly; coagulation levels normalized, leading to his discharge. This case highlights the critical role of timely diagnosis and vitamin K1 in managing rodenticide-induced complications.
Read More
User Reviews
USERS' SCORE
Moderately Good
Based on 4 Reviews
7.3
- All Reviews
- Positive Reviews
- Negative Reviews
7.5
Fewer headaches
A good vitamin, as recommended by an endocrinologist, my mother takes vitamin K alongside vitamin D for better absorption. Her health has improved, and she has experienced fewer headaches.
Read More
9
Not a quick fix
I take this good product, understanding its necessity for my body. I doubt the claims of immediate effects; it’s not a headache pill where pain disappears instantly. I drink it, hoping the calcium I consume won’t be wrongly deposited in my vessels.
Read More
2
Symptoms improved
7 people found this helpful
I began having daily headaches, poor concentration, brain fog, and pain around my eyes after starting MK-7. After stopping it, I felt normal again within a week. I can't definitively say MK-7 caused my symptoms.
Read More
2
Headache caution
Helpful for absorbing calcium and improving joint function. It is advised to take this with vitamin D; however, I experienced a terrible headache when taken together. If I took them a couple of hours apart, everything was fine. Overall, I find it beneficial for my needs.
Read More
Frequently Asked Questions
7.5
Fewer headaches
A good vitamin, as recommended by an endocrinologist, my mother takes vitamin K alongside vitamin D for better absorption. Her health has improved, and she has experienced fewer headaches.
9
Not a quick fix
I take this good product, understanding its necessity for my body. I doubt the claims of immediate effects; it’s not a headache pill where pain disappears instantly. I drink it, hoping the calcium I consume won’t be wrongly deposited in my vessels.
2
Headache caution
Helpful for absorbing calcium and improving joint function. It is advised to take this with vitamin D; however, I experienced a terrible headache when taken together. If I took them a couple of hours apart, everything was fine. Overall, I find it beneficial for my needs.
References
- He QK, Wu YH, Lu XY, Liu MW. Rodenticide poisoning leading to cerebral hemorrhage: A case report. Medicine (Baltimore). 2024;103:e36971. 10.1097/MD.0000000000036971
