Recommended daily intake= 120 mcg

1. Parsley, raw
   Contain: 1640 mcg
   %DV: 2050 %
2. Kale, raw
   Contain: 817 mcg
   %DV: 1021%
3. Dandelion greens, raw
   Contain: 778 mcg
   %DV: 973%
4. Mustard greens, raw
   Contain: 497 mcg
   %DV: 622%
5. Spinach, raw
   Contain: 483 mcg
   %DV: 604%
6. Beet greens, raw
   Contain: 400 mcg
   %DV: 500%
7. Watercress, raw
   Contain: 250 mcg
   %DV: 312%
8. Onions, spring or scallions (includes tops and bulb), raw
   Contain: 207 mcg
   %DV: 259%
9. Spices, pepper, black
   Contain: 164 mcg
   %DV: 205%
10. Spices, curry powder
    Contain: 99.8 mcg
    %DV: 125%

Deficiency symptoms

1. Increase the bleeding time and hemorrhage
   https://www.ncbi.nlm.nih.gov/pubmed/29540231
2. poor bone development and osteoporosis
   https://www.ncbi.nlm.nih.gov/books/NBK536983/
3. increased cardiovascular disease
   https://www.ncbi.nlm.nih.gov/books/NBK536983/
4. has a negative impact on spermatogenesis
   https://www.ncbi.nlm.nih.gov/pubmed/31576592
5. Depression
   https://www.ncbi.nlm.nih.gov/pubmed/30959758

cognitive impairment
https://www.ncbi.nlm.nih.gov/pubmed/30061825

Function:

1. Blood clotting
2. maintain strong bones in the older adults.
   https://medlineplus.gov/ency/article/002407.htm
3. Prevent hardening of heart arteries
   https://www.hsph.harvard.edu/nutritionsource/vitamin-k/
4. an antidote in poisoning by dicoumarol or warfarin
   https://www.sciencedirect.com/science/article/pii/B9780123919090500475
5. sometimes added to food as a preservative to control fermentation.
   https://www.sciencedirect.com/science/article/pii/B9780123918826000078
6. Osteocalcin production that may be involved in bone mineralization
   https://ods.od.nih.gov/factsheets/VitaminK-HealthProfessional/

Overdose: absent
https://ods.od.nih.gov/factsheets/VitaminK-HealthProfessional/#h8

Excess: stored mainly in liver then stored in other body tissues, including the brain, heart, pancreas, and bone
https://www.sciencedirect.com/science/article/pii/B9780123919090500475
https://ods.od.nih.gov/factsheets/VitaminK-HealthProfessional/#h8

Type: Fat soluble vitamin
https://medlineplus.gov/ency/article/002407.htm

Side effects of hypervitaminosis K:

No adverse effects associated with vitamin K consumption from food or supplements have been reported in humans or animals.
https://ods.od.nih.gov/factsheets/VitaminK-HealthProfessional/#h8