What is Vitamin K2?

Category: Supplements

Most popular types: Vitamin K2 (MK7) Swanson Vitamins Vitamin K2 (menaquinone-7) Vitamin K2 (MK4) Show all

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Vitamin K2 is an extract of natto that provides the bioavailable form of vitamin K2 as menaquinone MK-7.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Increase effect of another treatment 10 2
Multiple sclerosis 4 1
Osteopenia 3 0
Amyotrophic lateral sclerosis 2 2
General health 2 0
Bone spurs 1 0

Show all 13 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe
0
Moderate
0
Mild
0
None
6

Commonly reported side effects and conditions associated with Vitamin K2

Side effect Patients

Dosages

Based on patients currently taking Vitamin K2

Dosage Patients
100 mcg daily 3
40 mcg daily 2
90 mcg daily 2
100 mg daily 2
120 mcg daily 2
0.1 mg daily 1
0.2 mg three times daily 1
1 other daily 1
50 mcg daily 1
150 mcg daily 1

See all 15 dosages

Why patients stopped taking Vitamin K2

Multiple reasons could be selected

Reason Patients
Other 2
Course of treatment ended 1
Doctor's advice 1
Expense 1
See all 4 patients who've stopped taking Vitamin K2

Duration

Currently taking Vitamin K2

Duration Patients
1 - 6 months 1
6 months - 1 year 6
1 - 2 years 3
2 - 5 years 6
5 - 10 years 5

Stopped taking Vitamin K2

Duration Patients
1 - 6 months 4
Adherence
Adherence Evaluations
Always 4
Usually 2
Sometimes 0
Never taken as prescribed 0
Burden
Burden Evaluations
Very hard to take 0
Somewhat hard to take 0
A little hard to take 0
Not at all hard to take 6
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 0
$50-99 0
$25-49 0
< $25 4
Not specified 2
Last updated:

3 patient evaluations for Vitamin K2

Jul 7, 2017 (Started May 15, 2016)

  • Effectiveness
    Can't tell (for amyotrophic lateral sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 90 mcg Daily
Advice & Tips: Balances vitamine A, manages calcium, and process fat. It's also absolutely essential to building strong bones and preventing heart disease
Cost: < $25 monthly

Sep 19, 2016 (Started May 15, 2016)

  • Effectiveness
    Can't tell (for amyotrophic lateral sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 90 mcg Daily
Advice & Tips: This is taken to aid in my joints and bone aches associated with ALS
Cost: < $25 monthly

  • 0 helpful marks

Jan 2, 2016 (Started Oct 10, 2015)

  • Effectiveness
    Can't tell (for multiple sclerosis)
  • Effectiveness
    Can't tell (for Increase effect of another treatment)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 75 mcg Daily
Cost: < $25 monthly

  • 0 helpful marks

Apr 12, 2010 (Started Oct 15, 2009)

  • Effectiveness
    Can't tell (for to supplement my D3)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mcg Daily
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 3 patient evaluations for Vitamin K2