Supplement Facts
Serving Size: 1 Capsule
Amount Per Serving
%DV
Vitamin D (as cholecalciferol)
125 mcg
625%
Iodine [from Sea-Iodine™ Complex Blend (organic kelp and bladderwrack extracts, potassium iodide)]
1,000 mcg
667%

The product is found useful for the following medical conditions

Allergies details

SCIENTIFIC SCORE
Possibly Effective
Based on 7 Researches
7.6
USERS' SCORE
Good
Based on 6 Reviews
8.7
We investigated the potential connection between vitamin D deficiency and allergic proctocolitis (AP) in infants. Our study involved a careful comparison of vitamin D levels in infants diagnosed with AP against those of healthy infants. This meticulous, prospective approach allows us to draw insightful conclusions about how vitamin D might be influencing allergic conditions.

We found that vitamin D levels were noticeably lower in infants suffering from AP compared to their healthy peers. Notably, a significant percentage of AP patients—34.7%—were found to be vitamin D deficient or insufficient. Furthermore, the study revealed that infants with vitamin D levels below 40.75 mcg/L were 3.5 times more likely to develop AP.

Our findings suggest an intriguing association between vitamin D deficiency and allergic proctocolitis, hinting that the rising rates of such allergies may be influenced by environmental factors. It appears crucial that we assess vitamin D levels in infants diagnosed with AP, as this could contribute to better understanding and management of the condition.
9
Boosts immunity
Most Useful Review
Energy source: An excellent medication that has significantly improved my immunity and alleviated fatigue and drowsiness during the day. It does not cause allergies, is a convenient tablet size, and has no strong odour or taste. I wholeheartedly recommend it.
Updated: Apr 2025

Bone Pain details

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.7
USERS' SCORE
Good
Based on 4 Reviews
8.6
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.
10
Improved energy levels
Most Useful Review
1 people found this helpful
This D3 has revitalised me! My bone pain has lessened, and my thyroid function returned to normal within ten days. I recommend taking it with food for best results.
Updated: Mar 2026

Cold details

SCIENTIFIC SCORE
Questionable
Based on 5 Researches
6.8
USERS' SCORE
Good
Based on 16 Reviews
8.3
We explored the connection between vitamin D levels and upper respiratory tract infections (URTIs) among military recruits during their training. This observation spanned across different seasons and included over 1,600 recruits. Our aim was to understand how achieving sufficient vitamin D levels could potentially impact the frequency and severity of colds among physically active individuals.

In an additional phase of the research, we conducted a randomized controlled trial with 250 male recruits. They received either a placebo, simulated sunlight exposure, or oral vitamin D3 supplements during winter. This comparison allowed us to see if these methods effectively increased vitamin D levels to a sufficient status of 25(OH)D at 50 nmol/L or higher.

Notably, our findings showed that only 21% of recruits had adequate vitamin D during winter, yet those who did were 40% less likely to suffer from URTIs. Furthermore, both vitamin D supplementation strategies similarly helped nearly all participants achieve sufficient levels. Vitamin D supplementation notably reduced the severity of URTI symptoms by 15% and the number of days with URTIs by 36% compared to placebo.

While the supplementation strategies did not significantly alter other immune factors, such as salivary secretory immunoglobulin A, the overall reduction in respiratory infections indicates a beneficial effect of maintaining vitamin D sufficiency during military training.
9
Positive cold recovery
Most Useful Review
A good choice for vitamin D. I have been taking it for a month and feel positive effects. I gained strength, and the cold I had passed quickly.
Updated: Mar 2026

Leg Cramps details

SCIENTIFIC SCORE
Very Likely Ineffective
Based on 2 Researches
2
USERS' SCORE
Good
Based on 2 Reviews
8.3
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.
7.5
Nails improved
Most Useful Review
Good dosage and an excellent combination of iodine and vitamin D. After using this supplement for a month, my nails improved, and I stopped experiencing leg cramps while walking. My eyebrows have also become thicker.
Updated: Mar 2026

Attention Deficit Hyperactivity Disorder details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 4 Reviews
8.1
7.5
Increased vitality
Most Useful Review
My endocrinologist advised natural iodine along with D3. The dosage prescribed is optimal. I supplemented with ultra omega 3 and krill oil, leading to a notable increase in my energy levels after a week. Wishing you good health! Please click Yes if you find this experience useful.
Updated: Mar 2026

Hypothyroidism details

SCIENTIFIC SCORE
Possibly Effective
Based on 15 Researches
7.4
USERS' SCORE
Good
Based on 8 Reviews
8.1
We looked into the growing concern of iodine deficiency hypothyroidism among children in the United States. This condition, which can lead to cognitive and physical impairments, was thought to be largely eliminated thanks to universal salt iodization started in the 1920s. However, recent trends suggest that iodine deficiency could be reappearing due to increased use of noniodized salts, lower iodine levels in dairy, and dietary restrictions like veganism or food allergies.

Over an 18-month period, we documented a series of cases where three children were diagnosed with iodine deficiency hypothyroidism despite having no underlying thyroid dysfunction. Their clinical presentations varied significantly—some had large goiters while others showed mild or no goiter at all. The results of their biochemical tests also highlighted a range of thyroid-stimulating hormone elevations.

Importantly, all patients returned to normal thyroid function following iodine supplementation. We propose that measuring spot urine iodine levels alongside elevated serum thyroglobulin could serve as a simpler and effective diagnostic approach, moving away from the more complex 24-hour urinary iodine tests. Our findings shine a light on the necessity of addressing iodine deficiency in today’s dietary landscape.
7.5
Increased energy levels
Most Useful Review
14 people found this helpful
I switched to a simpler iodine with vitamin K and appreciate the capsule size, which is easy to swallow. The vegetable iodine dosage is high, but not fully absorbed due to my hypothyroidism. My endocrinologist approved its use, and I take it alongside selenium for better absorption. After three months, I feel increased energy and recommend it.
Updated: Mar 2026

Cancer details

SCIENTIFIC SCORE
Possibly Effective
Based on 19 Researches
7.4
USERS' SCORE
Moderately Good
Based on 6 Reviews
7.9
We observed a compelling case where a biodegradable hydrogel spacer was used alongside iodine-125 brachytherapy to treat recurrent prostate cancer. This innovative approach involved placing the spacer to create space between the prostate and the rectum, which significantly reduced radiation exposure to healthy tissues during the treatment.

Following initial external beam radiotherapy in 2015, the patient showed signs of local recurrence by 2022. To address this, the treatment plan included not just the iodine-125 brachytherapy but also the hydrogel spacer, which was placed in January 2024 just before the radiation treatment. Six months later, we noted a remarkable drop in the patient’s prostate-specific antigen (PSA) levels, indicating a positive response to the treatment.

This case showcases the potential benefits of using iodine treatment in combination with advanced techniques like hydrogel spacers. The results suggest that this method not only improves the effectiveness of therapy but also ensures higher safety by protecting adjacent tissues from unnecessary radiation damage. Overall, we find this integration of technology highly beneficial for managing recurrent cancer challenges.
7
Prevents cancer risk
Most Useful Review
1 people found this helpful
First impression Oh, this is just a find of D3 with iodine, it's just super. For a long time I explored various options from several companies, and the presence of iodine-sea salt led me to choose this one. This isn't my first find from this company, and I recommend it for shopping! I've also taken a vitamin complex from them with D3 and Q10. Vitamin D is crucial for the metabolism of calcium and phosphorus, essential for healthy bones, especially in children. Maintaining normal levels of vitamin D sharply decreases the likelihood of developing cancer and other conditions. Thank you! Good health to all!
Updated: Apr 2026

Heart Disease details

SCIENTIFIC SCORE
Questionable
Based on 8 Researches
6.9
USERS' SCORE
Moderately Good
Based on 6 Reviews
7.3
We examined how low levels of vitamin D (Vit D) could impact the severity of heart disease, specifically looking at myocardial ischemia. Our study involved two hundred patients who underwent myocardial perfusion imaging at Namazi Hospital in Shiraz, Iran, in 2019. We assessed both the severity of ischemia in patients and their vitamin D levels.

The results revealed a clear pattern: when vitamin D levels dropped below 10 ng/mL, patients showed a significant increase in severe myocardial ischemia. Conversely, in patients with higher levels of vitamin D, we did not find any substantial association with abnormalities in heart imaging. This indicates that maintaining adequate vitamin D levels may play a role in reducing heart disease severity.

Overall, our findings suggest that vitamin D deficiency, especially levels below 10 ng/mL, could contribute to more severe heart conditions. This could prompt health care providers to consider monitoring and addressing vitamin D levels in patients at risk for heart disease.
9
Pain alleviated
Most Useful Review
Excellent! The ingredients of the product are vegetarian, making it suitable for vegetarians. I suffered from vitamin D deficiency, which led to back pain and joint issues. After taking one capsule daily for a month, my pain eased and eventually disappeared. ❤️
Updated: Mar 2026
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