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How long does it take for vitamins or supplements to start working?

By December 22, 2008 - 2:38pm
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How long does it take for supplements to take effect? For example, I am taking calcium supplements and am wondering how long I will take them for before I see some results? I'm hoping to see healthier, stronger nails.

I don't depend on supplements for over-all health but am wondering if it takes just a couple of weeks to help, or months?

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Anonymous (reply to Anonymous)

Thank you.

June 30, 2016 - 5:56pm
EmpowHER Guest
Anonymous (reply to Anonymous)

I would recommend having an MRI. If you are having joint pains and loss of concentration and memory it can be the beginning stages of MS which will present with lesions on the brain. Catch it early so you can take the proper medications to keep it from progressing .

February 4, 2016 - 9:37am
(reply to Anonymous)

I have recently noticed that I have aches in my feet when I get up from sleeping and/or after sitting a long time. It hurts to walk for a bit. I am on 50,000 units of Vit D a week. Are you saying that your aches went away after you started taking Vitamin D or are you taking something else?

August 20, 2015 - 6:00am
EmpowHER Guest
Anonymous (reply to beefunk)

Same here , I am 28 and have this really bad nerve pulling ache in my heals , especially when I set my feet on floor after I have sat / slept . Even my calcium levels are low . So started taking vitamin d3 with k

August 2, 2016 - 2:01pm
EmpowHER Guest
Anonymous (reply to Anonymous)

I just had lab results come back with "D" deficiency (8.4) I started taking 4,000 iu of D3 yesterday & also added 1200mg Fish Oil today as I read that is helpful in absorption. I'm a woman in my 40's & typically healthy but have been run down feeling since a tooth infection & root canal. I'm hoping I'll start feeling much better now that I'm supplementing & that my D levels will soon be on the rise!

May 15, 2015 - 12:21am
EmpowHER Guest
Anonymous (reply to Anonymous)

Hi there. I would definitely say that the Vit D deficiency is a cause of your child's forgetfulness. I had symptoms of forgetfulness which was extremely scary. I thought it might be the early onset of alzheimers. I also felt very tired and had trouble sleeping as well as sore muscles. My Drs initially thought it was an issue with Iron. After some research on the internet I found out about Vitamin D. My level was low 19. After a few months of supplementing I felt much better and not so forgetful. After the 6 months supplementation of 50000 IU once a week, I would randomly take the supplementation as too much can be poisonous. Last year I felt the same tiredness and forgetfulness. I didn't think it would be the Vit D, however after blood tests my Vit D levels dropped downto 20.
I am now back on supplementation. My new Dr wants to take it up to between 50-70. I would suggest you monitors your child's Vit D regularly to prevent a recurrence, and also get it into the optimum range.

January 24, 2015 - 5:46am
EmpowHER Guest
Anonymous (reply to Anonymous)

I just want to say to this comment the answer is a yes. I am also extremely low in vitamin d. The doctor and I have been struggling to figure out what is wrong with all my symptoms, but it is the lack of vitamin d. I have some serious memory and cognative problems that have developed over the last 2 years. Please don't ignore this. The end game will be heart disease and cancer.

November 24, 2014 - 2:30am
Expert HERWriter Guide Blogger (reply to Anonymous)

Hi Anon -

Children with a mild to moderate vitamin D deficiency may not have any symptoms. Those with a severe deficiency may experience symptoms including bone/muscle pain, muscle weakness, hip pain, fractures, falls and difficulty walking, walking up stairs and getting out of a chair. The pediatic literature does not mention cognitive impacts such as a lack of focus or memory problems.



October 29, 2014 - 5:54pm
(reply to Pat Elliott)


As someone who also suffers from low Vitamin D I can tell you that my energy level is non-existent when I do not take the additional prescribed vitamins. Everyone is different I know but even though there are not cognitive differences stated in the literature it could certainly be a by product of the lack of vitamin D. I had a really tough time before I got my levels up to where they are now. You absolutely sound like a parent who is on top of their children's health. If she does not respond within a month I would say get back to the Dr. it could be another underlying problem and the Vitamin deficiency could simply be a symptom of that problem. Good luck to you and your daughter.

November 4, 2014 - 7:40am
EmpowHER Guest

My symptoms improved within two weeks. After a month I was almost back to 100% normal. :) I have been taking daily vitamin D supplements ever since and have had no other problems.

September 23, 2014 - 7:13am
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