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NOW Supplements Vitamin D-3
SCIENTIFIC SCORE
Very Likely Ineffective
Based on 2 Researches
2
USERS' SCORE
Good
Based on 6 Reviews
8.8
Supplement Facts
Serving Size: 1 Softgel
Amount Per Serving
%DV
Vitamin D3 (as Cholecalciferol) (From Lanolin)
1,250 mcg (50,000 IU)
6250%

Top Medical Research Studies

4
Minimal effects of vitamin D
Interventions for leg cramps in pregnancy.
Directly addresses vitamin D's impact
We assessed the impact of vitamin D on leg cramps experienced during pregnancy, referring to data from various studies. One of the key findings was that vitamin D treatment showed little to no difference when it came to reducing the frequency of leg cramps.

In a trial involving 84 women, participants who received vitamin D did not see significant changes in the frequency of leg cramps after three weeks or six weeks post-treatment. This suggests that, while vitamin D is often discussed in the context of health benefits, its effectiveness for leg cramps specifically might be quite limited.

Overall, the evidence we reviewed highlights the need for caution. The findings suggest that vitamin D may not be a viable treatment option for managing leg cramps during pregnancy, indicating a need for more robust research in this area.
Read More
0
Vitamin D ineffective for cramps
The effect of Vitamin D and calcium plus Vitamin D on leg cramps in pregnant women: A randomized controlled trial.
Includes calcium, complicating effects
We conducted a double-blind, randomized controlled trial to explore whether Vitamin D and calcium-Vitamin D supplements could help reduce leg cramps in pregnant women. Our study involved 126 participants aged 18 to 35, all experiencing a minimum of two leg cramps per week. Over the course of 42 days, participants took either a Vitamin D pill, calcium with Vitamin D, or a placebo.

We closely monitored the frequency, duration, and intensity of leg cramps before the intervention and during the third and sixth weeks of treatment. Despite our efforts and careful analysis, the results were clear: neither the Vitamin D nor the calcium-Vitamin D supplements made a meaningful difference in leg cramps.

This finding indicates that these popular supplements may not be effective for alleviating leg cramps during pregnancy, at least within the timeframe of our study. It's important for expecting mothers to consider this information when seeking relief from leg cramps.
Read More

Most Useful Reviews

9.5
Pain relief noted
I had pain in my lower back and legs due to a vitamin D deficiency, but after taking it, the pain disappeared.
Read More
9.5
Reduced leg pain
Vitamin D3 is crucial as a deficiency leads to several health issues. I suffer from arthritis, and since my doctor prescribed it at 50,000 IU per week, I've felt much better. This vitamin strengthens my immunity and alleviates leg cramps effectively.
Read More
9.5
Effective for cramps
This supplement has been very effective for my legs. It relieves leg cramps and has improved my overall health. I take one pill a day with vitamin K2 and magnesium. The quality of the product and the packaging is excellent.
Read More

Medical Researches

SCIENTIFIC SCORE
Very Likely Ineffective
Based on 2 Researches
2
  • All Researches
4
Minimal effects of vitamin D
Interventions for leg cramps in pregnancy.
Directly addresses vitamin D's impact
We assessed the impact of vitamin D on leg cramps experienced during pregnancy, referring to data from various studies. One of the key findings was that vitamin D treatment showed little to no difference when it came to reducing the frequency of leg cramps.

In a trial involving 84 women, participants who received vitamin D did not see significant changes in the frequency of leg cramps after three weeks or six weeks post-treatment. This suggests that, while vitamin D is often discussed in the context of health benefits, its effectiveness for leg cramps specifically might be quite limited.

Overall, the evidence we reviewed highlights the need for caution. The findings suggest that vitamin D may not be a viable treatment option for managing leg cramps during pregnancy, indicating a need for more robust research in this area.
Read More
0
Vitamin D ineffective for cramps
The effect of Vitamin D and calcium plus Vitamin D on leg cramps in pregnant women: A randomized controlled trial.
Includes calcium, complicating effects
We conducted a double-blind, randomized controlled trial to explore whether Vitamin D and calcium-Vitamin D supplements could help reduce leg cramps in pregnant women. Our study involved 126 participants aged 18 to 35, all experiencing a minimum of two leg cramps per week. Over the course of 42 days, participants took either a Vitamin D pill, calcium with Vitamin D, or a placebo.

We closely monitored the frequency, duration, and intensity of leg cramps before the intervention and during the third and sixth weeks of treatment. Despite our efforts and careful analysis, the results were clear: neither the Vitamin D nor the calcium-Vitamin D supplements made a meaningful difference in leg cramps.

This finding indicates that these popular supplements may not be effective for alleviating leg cramps during pregnancy, at least within the timeframe of our study. It's important for expecting mothers to consider this information when seeking relief from leg cramps.
Read More

User Reviews

USERS' SCORE
Good
Based on 6 Reviews
8.8
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Pain relief noted
I had pain in my lower back and legs due to a vitamin D deficiency, but after taking it, the pain disappeared.
9.5
Reduced leg pain
Vitamin D3 is crucial as a deficiency leads to several health issues. I suffer from arthritis, and since my doctor prescribed it at 50,000 IU per week, I've felt much better. This vitamin strengthens my immunity and alleviates leg cramps effectively.
9.5
Effective for cramps
This supplement has been very effective for my legs. It relieves leg cramps and has improved my overall health. I take one pill a day with vitamin K2 and magnesium. The quality of the product and the packaging is excellent.
9.5
Energetic recovery
I had a severe vitamin D deficiency causing continuous muscle pain and extreme fatigue. After taking 50,000 IU of D3 weekly and 5,000 IU on other days, my leg cramps vanished, and I now feel full of energy. I highly recommend this product!
9.5
Prompt effect noted
To maintain health and immunity, I took this vitamin which effectively alleviated my leg cramps within a few days. The dosage and packaging were conveniently designed, and I appreciated its quality.
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