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NOW Supplements Vitamin D-3
SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.7
USERS' SCORE
Good
Based on 64 Reviews
8.7
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

9
Vitamin D3 correction improves pain
Role of Pre-operative Correction of Vitamin D3 Deficiency in Controlling Post-operative Bone Pain after Unicompartmental Knee Arthroplasty.
Directly assesses vitamin D's impact.
We explored the impact of vitamin D3 levels on bone pain that patients experience after undergoing unicompartmental knee arthroplasty (UKA). The study involved 240 participants who were divided into three groups based on their vitamin D status—some received treatment before surgery, some after, and others had normal levels to begin with.

By administering vitamin D3 in three doses, we aimed to see if correcting deficiencies could alleviate post-operative bone pain. Throughout the recovery period, we measured pain levels using the visual analog scale at various intervals after the surgery.

Our findings clearly demonstrated that patients who corrected their vitamin D3 deficiency before surgery reported significantly better pain control after the operation compared to those who were treated afterwards or those who started with adequate levels. This highlights the importance of testing and addressing vitamin D status prior to orthopedic procedures, showing that it is a modifiable risk factor affecting recovery.
Read More
9
Effectiveness of calcitriol combination therapy
Clinical efficacy and outcomes of calcitriol combined with bisphosphonates in the treatment of postmenopausal osteoporosis: A quasi-experimental study.
Relevant pain management study
We conducted an insightful study to analyze how combining calcitriol, a form of vitamin D, with bisphosphonates affects bone pain in postmenopausal women suffering from osteoporosis. This quasi-experimental approach allowed us to compare two groups: one treated with calcitriol alone and the other with the combination treatment.

Our findings highlighted that adding bisphosphonates to calcitriol significantly alleviated bone pain among the participants. We observed improved evaluations of joint pain through the Visual Analogue Scale/Score, indicating that patients felt much better post-treatment. Furthermore, the combination therapy enhanced the patients' overall daily living capabilities and positively influenced bone metabolism and density.

Overall, our results suggest that calcitriol combined with bisphosphonates is effective in not just relieving pain but also supporting the long-term health of bones in postmenopausal women. This approach may pave the way for improved treatment strategies for osteoporosis in this demographic.
Read More
8
Vitamin D reduces fracture risk
Association Between 25-hydroxyvitamin D Status and New Vertebral Fractures Post Percutaneous Vertebral Augmentation in Patients During Postmenopause: A Retrospective Case-control Study.
Study highlights vitamin D's importance.
We investigated the connection between vitamin D levels and the risk of new vertebral fractures in postmenopausal women who had undergone percutaneous vertebral augmentation. Through a retrospective case-control study involving patients aged 50 and older, we analyzed records to categorize participants into groups based on whether they experienced refractures and how serum levels of 25-hydroxyvitamin D (25[OH]D) influenced these outcomes.

Our findings revealed that low levels of serum 25(OH)D are linked to an increased risk of new vertebral fractures in these patients. What's noteworthy is that vitamin D plays a crucial role in maintaining bone health, and adequate levels can help reduce the likelihood of subsequent fractures after surgery. This underscores the potential importance of vitamin D supplementation for patients recovering from vertebral augmentation.

In conclusion, ensuring that patients receive appropriate vitamin D intake might be pivotal in preventing further bone pain and fractures following surgery. By addressing vitamin D deficiency, we could significantly improve bone health outcomes and enhance the quality of life for postmenopausal women recovering from vertebral fractures.
Read More

Most Useful Reviews

8.8
Bone pain relief
After using the supplement for 4 months, my vitamin D levels improved significantly. I experienced a 50% decrease in hair loss, and bone pain is no longer an issue. My memory has also improved greatly, with no sign of forgetfulness. The capsules are easy to swallow.
Read More
9.5
Pain alleviation
This product works like magic. One pill effectively alleviates my back and leg pain. It’s high-quality with excellent ingredients, providing good value for the price. I highly recommend sticking to the dosage of one pill weekly.
Read More
9.5
Supports immunity
Vitamin D3 is essential, particularly for those with immune issues and joint pain. It also fights fatigue and enhances immunity. Taking it with a fatty meal is crucial. I also recommend pairing it with vitamin K2 for better absorption. The capsules have high-quality natural ingredients with no taste, and the price is reasonable.
Read More

Medical Researches

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.7
  • All Researches
9
Vitamin D3 correction improves pain
Role of Pre-operative Correction of Vitamin D3 Deficiency in Controlling Post-operative Bone Pain after Unicompartmental Knee Arthroplasty.
Directly assesses vitamin D's impact.
We explored the impact of vitamin D3 levels on bone pain that patients experience after undergoing unicompartmental knee arthroplasty (UKA). The study involved 240 participants who were divided into three groups based on their vitamin D status—some received treatment before surgery, some after, and others had normal levels to begin with.

By administering vitamin D3 in three doses, we aimed to see if correcting deficiencies could alleviate post-operative bone pain. Throughout the recovery period, we measured pain levels using the visual analog scale at various intervals after the surgery.

Our findings clearly demonstrated that patients who corrected their vitamin D3 deficiency before surgery reported significantly better pain control after the operation compared to those who were treated afterwards or those who started with adequate levels. This highlights the importance of testing and addressing vitamin D status prior to orthopedic procedures, showing that it is a modifiable risk factor affecting recovery.
Read More
9
Effectiveness of calcitriol combination therapy
Clinical efficacy and outcomes of calcitriol combined with bisphosphonates in the treatment of postmenopausal osteoporosis: A quasi-experimental study.
Relevant pain management study
We conducted an insightful study to analyze how combining calcitriol, a form of vitamin D, with bisphosphonates affects bone pain in postmenopausal women suffering from osteoporosis. This quasi-experimental approach allowed us to compare two groups: one treated with calcitriol alone and the other with the combination treatment.

Our findings highlighted that adding bisphosphonates to calcitriol significantly alleviated bone pain among the participants. We observed improved evaluations of joint pain through the Visual Analogue Scale/Score, indicating that patients felt much better post-treatment. Furthermore, the combination therapy enhanced the patients' overall daily living capabilities and positively influenced bone metabolism and density.

Overall, our results suggest that calcitriol combined with bisphosphonates is effective in not just relieving pain but also supporting the long-term health of bones in postmenopausal women. This approach may pave the way for improved treatment strategies for osteoporosis in this demographic.
Read More
8
Vitamin D reduces fracture risk
Association Between 25-hydroxyvitamin D Status and New Vertebral Fractures Post Percutaneous Vertebral Augmentation in Patients During Postmenopause: A Retrospective Case-control Study.
Study highlights vitamin D's importance.
We investigated the connection between vitamin D levels and the risk of new vertebral fractures in postmenopausal women who had undergone percutaneous vertebral augmentation. Through a retrospective case-control study involving patients aged 50 and older, we analyzed records to categorize participants into groups based on whether they experienced refractures and how serum levels of 25-hydroxyvitamin D (25[OH]D) influenced these outcomes.

Our findings revealed that low levels of serum 25(OH)D are linked to an increased risk of new vertebral fractures in these patients. What's noteworthy is that vitamin D plays a crucial role in maintaining bone health, and adequate levels can help reduce the likelihood of subsequent fractures after surgery. This underscores the potential importance of vitamin D supplementation for patients recovering from vertebral augmentation.

In conclusion, ensuring that patients receive appropriate vitamin D intake might be pivotal in preventing further bone pain and fractures following surgery. By addressing vitamin D deficiency, we could significantly improve bone health outcomes and enhance the quality of life for postmenopausal women recovering from vertebral fractures.
Read More

User Reviews

USERS' SCORE
Good
Based on 64 Reviews
8.7
  • All Reviews
  • Positive Reviews
  • Negative Reviews
8.8
Bone pain relief
After using the supplement for 4 months, my vitamin D levels improved significantly. I experienced a 50% decrease in hair loss, and bone pain is no longer an issue. My memory has also improved greatly, with no sign of forgetfulness. The capsules are easy to swallow.
9.5
Pain alleviation
This product works like magic. One pill effectively alleviates my back and leg pain. It’s high-quality with excellent ingredients, providing good value for the price. I highly recommend sticking to the dosage of one pill weekly.
9.5
Supports immunity
Vitamin D3 is essential, particularly for those with immune issues and joint pain. It also fights fatigue and enhances immunity. Taking it with a fatty meal is crucial. I also recommend pairing it with vitamin K2 for better absorption. The capsules have high-quality natural ingredients with no taste, and the price is reasonable.
Read More
9.5
Relieved bone pain
I’m delighted that NOW offers a high-dose D3 in a single gel cap. I'm using it as part of a protocol to heal my bone pain. I highly recommend this product for its effectiveness and convenience.
9.5
Reduces body aches
I was thrilled with the quality of this vitamin. Post-covid, I suffered from autoimmune disease and body aches. Taking vitamin D alongside K2 has significantly improved my condition. The service was excellent, with prompt delivery, and I now feel more energetic and pain-free. I am truly grateful.
Read More
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