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Vitamin D3 can be synthesised by humans in the skin by exposure to ultraviolet B (UVB) radiation from sunlight. However, especially during the winter months and in dull weather conditions, or in the summer, when we use sun-block, the body´s ability to produce sufficient vitamin D3 may be inhibited. In such circumstances, it might be wise to take a daily vitamin D3 supplement.
Vitamin D has long been known to provide significant support for bone density. In recent years scientists have also come to recognize the important role this vitamin plays in healthy cell division and differentiation and its powerful effects as an immune system regulator. A vitamin D deficiency is linked to a large number of age-related health issues.
It is virtually impossible to obtain sufficient vitamin D from the diet, so that supplementation is necessary, especially for those aged 71 and older as their requirements are higher.
At present the RDA (recommended daily allowance) is 600 IU (international units). However Vitamin D3 deficiency appears to have become more widespread in recent years, so that nutritional scientists are suggesting that the RDA should be raised to 1,000 IU or even higher. Currently most experts believe that an intake of between 1,000 and 10, 000 IU per day will lead to levels above those indicative of vitamin D deficiency.
Life Extension suggests supplementation with at least 2,000 a day, while the elderly may need higher doses between 5,000 IU and 10,000 IU.
A blood test can determine how much vitamin D is needed to achieve an optimal 25- hydroxy vitamin D blood level of 50 - 80 ng/mL
The thyroid, or thyroid gland - a butterfly-shaped gland which wraps itself around the windpipe or trachea at the front of the neck uses iodine from the diet to produce the hormones T3 (triiodothyronine) and T4 (thyroxine) and releases them into the blood. T4 and T3 contain four and three atoms of iodine per molecule respectively. These hormones regulate the body’s metabolic rate as well as heart and digestive function, muscle control, brain development and bone maintenance. Its correct functioning depends on a good supply of iodine from the diet. Sea vegetables and plants are a rich source of iodine, and in regions where no marine food is eaten, people have lower iodine levels. This is frequently remedied by using iodized table salt. However, it is now recognized that the consumption of too much salt frequently leads to raised blood pressure with the associated risks to cardiovascular health. Those involved in strenuous physical activity lose iodine through perspiration and may suffer from iodine depletion. Vegetarians and vegans may likewise be iodine deficient since animal-derived foods are richer in iodine than plant-based foods. One study showed 25 % of vegetarians and 80 % of vegans to be suffering from iodine deficiency compared to 9 % of the persons on a mixed nutrition.
The organic algae and potassium iodide in Sea-Iodine™ provide over 667 % of the recommended daily value of iodine without the harmful effects of sodium.
Vitamin D3 with Sea-Iodine™ provides optimum benefits when taken with foods with a low fat and high fiber content.
Individuals consuming more than 2,000 IU/day of vitamin D (from diet and supplements) should periodically obtain a serum 25-hydroxy vitamin D measurement. Do not exceed 10,000 IU per day unless recommended by your doctor. Supplementation with Vitamin D is not recommended for those with high blood calcium levels. If you have a thyroid condition or are taking anti-thyroid medication, consult your doctor before supplementing.
Vitamin D3 5000 with Sea-Iodine™ can be ordered online .Prompt delivery assured.