D3 Supplement 400 IU
Spring Valley
D3 Supplement 400 IU
4.8
★ ★ ★ ★ ★
(514 ratings)
Vitamin D 400 IU
Score 35.0
An extremely affordable D3 supplement, but its very low 400 IU dosage is generally inadequate for robust adult health goals, offering minimal efficacy for immunity, bone health, or mood support.
Quantity: 200 Softgel(s)Servings size: 1 Softgel(s) (200 servings)
Selected goals:
Other goals:
General Health
Immunity
Bone Health
Mood Support
Testosterone Support
leaderboard Score 35.0
An extremely affordable D3 supplement, but its very low 400 IU dosage is generally inadequate for robust adult health goals, offering minimal efficacy for immunity, bone health, or mood support.
insights Analysis
Spring Valley's D3 Supplement offers 400 IU of cholecalciferol, the highly absorbable form of Vitamin D, at a remarkably low price. However, this dosage is largely considered minimal for adult supplementation, particularly when aiming for optimal levels to support immunity, bone health, or mood. While suitable for preventing overt deficiency in some specific contexts or for children, it fails to deliver the therapeutic benefits often associated with higher doses recommended by nutritionists and seen in online reviews for achieving significant health improvements. Its primary strength is its accessibility and affordability as a baseline supplement, but its low potency means it would likely be ineffective for most of the specified ambitious health goals for an average adult.
- Very affordable price per serving.
- Contains Vitamin D3 (cholecalciferol), the most bioavailable form.
- Large quantity of servings per bottle.
- Very low dosage (400 IU) for most adult health goals.
- Unlikely to significantly impact immunity, mood, or testosterone at this dose.
- May require multiple softgels to achieve effective adult dosages.
- The 400 IU dosage is insufficient for most adults to correct a Vitamin D deficiency or achieve optimal health benefits.
- Individuals with specific health goals or deficiencies should consult a healthcare professional for appropriate dosing recommendations.
$4.88($0.02 per serving)
 Walmart | $ 4.88 |
bolt Effectiveness for goals
Vitamin D is primarily effective for maintaining bone health by facilitating the absorption of calcium and phosphorus, which are essential for bone mineralization. It plays a crucial role in preventing conditions like rickets in children and osteomalacia in adults. Additionally, it supports various other bodily functions.
Yes, Vitamin D is recognized for its role in modulating the immune system. It can influence the activity of immune cells and their responses, potentially contributing to the body's ability to fight off pathogens. While studies show a link, its direct impact on specific immune conditions is an ongoing area of research.
Vitamin D, particularly when combined with calcium, has been shown to be effective in reducing the risk of falls in older adults. This is primarily due to its positive impact on bone density and muscle strength, which are crucial for balance and stability. Maintaining adequate Vitamin D levels is an important aspect of fall prevention strategies.
Vitamin D plays a role in muscle function and can help maintain muscle strength. Adequate levels are associated with better physical performance and a reduced risk of falls, particularly in older adults. It is involved in muscle contraction and growth processes.
Some research suggests a correlation between Vitamin D levels and mood regulation, with studies exploring its potential influence on mental well-being. However, the evidence is not conclusive enough to establish a direct causal link or recommend it as a primary treatment for mood disorders. More research is needed in this area.
schedule Dosage, timing & forms
For many adults, the recommended dietary allowance (RDA) of Vitamin D is 600-800 International Units (IU) daily. However, individual needs can vary based on factors like age, sun exposure, and baseline vitamin D levels. It's important to consult a healthcare professional for personalized dosage recommendations.
Yes, Vitamin D is a fat-soluble vitamin, meaning it is best absorbed when taken with a meal containing some fat. Taking it with your largest meal of the day, or at least a meal with a source of fat, can significantly enhance its absorption. This improves its bioavailability in the body.
The tolerable upper intake level (UL) for Vitamin D for most adults is 4,000 IU per day. Consuming amounts significantly above this limit without medical supervision may increase the risk of toxicity, leading to hypercalcemia. Always adhere to recommended dosages unless advised otherwise by a healthcare provider.
Vitamin D3 (cholecalciferol) is generally considered more potent and effective at raising and maintaining circulating 25(OH)D levels in the blood compared to Vitamin D2 (ergocalciferol). Studies suggest D3 leads to a more sustained increase in Vitamin D status. Both forms convert to the active form, but D3 appears to do so more efficiently.
The two main forms of Vitamin D found in supplements are Vitamin D2 (ergocalciferol) and Vitamin D3 (cholecalciferol). Vitamin D3 is generally considered more effective at raising and maintaining vitamin D levels in the body. Supplements are available as capsules, tablets, liquids, and sprays.
health_and_safety Safety & interactions
Excessively high doses of Vitamin D can lead to vitamin D toxicity, also known as hypervitaminosis D. This condition can cause a dangerous buildup of calcium in the blood (hypercalcemia), leading to symptoms like nausea, vomiting, weakness, and kidney problems. It typically occurs from megadoses of supplements, not from sun exposure or diet.
Yes, Vitamin D can interact with certain medications. These may include steroids, weight-loss drugs like orlistat, cholesterol-lowering statins, and some diuretics. It is important to discuss all medications and supplements with a healthcare provider to avoid potential interactions.
Symptoms of Vitamin D toxicity, or hypercalcemia, can include nausea, vomiting, loss of appetite, excessive thirst, and frequent urination. More severe signs might involve kidney problems, bone pain, and confusion. If these symptoms occur, discontinue supplementation and seek medical attention.
Vitamin D is generally considered safe and often recommended during pregnancy and breastfeeding, as it supports maternal and infant health. However, it is crucial to follow the dosage recommendations provided by a healthcare provider. Excessive amounts should be avoided.
Yes, individuals with conditions causing hypercalcemia (high blood calcium) should generally avoid Vitamin D supplementation. Vitamin D increases calcium absorption, which could worsen already elevated calcium levels. Always consult a doctor if you have such a condition.
Ingredients
| Ingredient | Amount per serving |
|---|---|
| Vitamin D (Vitamin D3, Cholecalciferol) | 400 IU |
Categories
Vitamin D 30.0
As a Vitamin D supplement, its D3 form is good, but the 400 IU dosage is far below typical adult recommendations for efficacy, limiting its overall utility as a standalone Vitamin D source for comprehensive needs, despite its low cost.
Goals
Bone Health 35.0
This dose contributes to calcium absorption necessary for bone health, but for individuals seeking to optimize bone density or address specific concerns, higher amounts of Vitamin D are typically recommended for more substantial support.
General Health 30.0
The 400 IU dosage is a bare minimum that may prevent severe deficiency, but it is generally insufficient for promoting optimal general health and well-being in adults, as higher levels are often associated with broader benefits.
Immunity 25.0
While Vitamin D supports immune function, 400 IU is considered too low for most adults to provide significant immune boosting effects or to address the Vitamin D levels often linked to robust immunity.