Selenium 200 mcg
NOW
Selenium 200 mcg
4.8
★ ★ ★ ★ ★
(26270 ratings)
Selenium 200 mcg
Score 98.0
An outstanding selenium supplement providing optimal dosage in a highly bioavailable form at an excellent price point.
Quantity: 180 Capsule(s)Servings size: 1 Veg Capsule(s) (180 servings)
Selected goals:
Other goals:
Immunity
General Health
Hair Health
Anti-Aging
Skin Health
leaderboard Score 98.0
An outstanding selenium supplement providing optimal dosage in a highly bioavailable form at an excellent price point.
insights Analysis
NOW Selenium 200 mcg with L-Selenomethionine is consistently rated as an excellent choice by consumers and often recommended by nutritionists due to its optimal dosage and superior bioavailability. L-Selenomethionine is readily absorbed and utilized by the body, making it highly effective for supporting all specified health goals. The high review count reflects widespread consumer satisfaction with its quality and efficacy. Crucially, the product offers outstanding value with a very low price per serving, making high-quality selenium supplementation accessible. Its reputation for purity and adherence to good manufacturing practices further solidify its standing as a premier selenium product.
- Contains L-Selenomethionine, considered the most bioavailable and effective form of selenium.
- Delivers an optimal 200 mcg dosage, suitable for comprehensive selenium support.
- Exceptional value with a very low price per serving, making it highly affordable.
- From NOW Foods, a highly reputable brand known for quality, purity, and rigorous testing.
- For individuals needing very low maintenance doses (e.g., 50-100 mcg), 200 mcg might be more than desired, though still generally safe for most healthy adults.
$11.29($0.06 per serving)
 Vitacost | $ 11.29 | |
 Daily Vita | $ 11.60 | |
 Pure Formulas | $ 12.15 | |
 Amazon | $ 12.20 | |
 iHerb | $ 12.24 |
bolt Effectiveness for goals
Some observational studies have explored a potential association between higher selenium levels and a reduced risk of certain cancers. However, intervention studies with selenium supplements have yielded mixed and sometimes contradictory results. The National Cancer Institute does not recommend selenium supplements specifically for cancer prevention.
Selenium is an essential trace mineral that plays a vital role in various bodily processes. It acts as an antioxidant, supports thyroid hormone metabolism, and is crucial for immune system function. Adequate intake is necessary for overall health.
Selenium is a component of selenoproteins, many of which function as enzymes involved in antioxidant protection. These enzymes help protect cells from oxidative damage caused by free radicals. This role contributes to maintaining cellular integrity.
Selenium is a key component of several selenoenzymes, including glutathione peroxidases, which are powerful antioxidants. These enzymes help protect cells from damage caused by free radicals and oxidative stress. This contributes significantly to cellular health and disease prevention.
The thyroid gland has a high concentration of selenium, which is crucial for the proper functioning of thyroid hormones. Selenoproteins help regulate thyroid hormone synthesis and metabolism. Adequate selenium intake supports overall thyroid function.
schedule Dosage, timing & forms
The Recommended Dietary Allowance (RDA) for adult men and women aged 19 years and older is 55 micrograms (mcg) per day. This recommendation is established to ensure adequate selenium levels for most healthy individuals.
The Recommended Dietary Allowance (RDA) for selenium for adults is generally 55 micrograms (mcg) per day. This intake helps maintain adequate levels in the body for various functions.
Yes, many foods are good sources of selenium, including Brazil nuts, seafood, meats, and whole grains. The selenium content in plant-based foods can vary significantly depending on the soil's selenium concentration where they were grown. A balanced diet can often provide sufficient selenium.
Selenium supplements typically contain selenomethionine, an organic form often derived from yeast, or sodium selenite, which is an inorganic form. Each form can have different absorption and bioavailability characteristics in the body.
The Tolerable Upper Intake Level (UL) for selenium in adults is 400 micrograms (mcg) per day. Regularly exceeding this amount can lead to adverse effects, indicating selenium toxicity.
health_and_safety Safety & interactions
Yes, selenium can potentially interact with certain medications. These may include some chemotherapy drugs, blood thinners, and medications for thyroid conditions. It is important to consult a healthcare provider before taking selenium supplements if you are on any medication.
Yes, excessive selenium intake can be harmful, leading to a condition called selenosis or selenium toxicity. Symptoms can include hair loss, nail brittleness, skin rashes, and nervous system abnormalities. Severe cases can be life-threatening.
Selenium supplements are generally well-tolerated at recommended doses. Mild side effects might include nausea, diarrhea, or fatigue. More severe side effects are typically associated with excessive intake.
The tolerable upper intake level (UL) for selenium for adults is 400 micrograms (mcg) per day from all sources, including food and supplements. Consuming amounts above this level regularly increases the risk of adverse effects.
Selenium is essential for proper fetal development and infant health, and adequate intake is important during pregnancy and breastfeeding. However, supplementation should only be done under medical guidance to ensure appropriate dosing, as excessive intake can be harmful. It's crucial not to exceed the recommended daily allowance for these periods without professional advice.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Selenium | 200 mcg |
Categories
Selenium 98.0
This product is a standout in the selenium category, combining the most bioavailable form (L-Selenomethionine) with an optimal dosage (200 mcg) and an incredibly competitive price. It is frequently cited as a top recommendation by nutritionists and online reviews for its overall excellence.
Goals
Immunity 98.0
With 200 mcg of L-Selenomethionine, this product provides strong antioxidant support and is highly effective in bolstering immune system function. Its excellent bioavailability ensures the selenium is readily available to support immune cell activity and response.
General Health 98.0
This supplement excels in supporting general health by providing an optimal dose of selenium for cellular protection, thyroid health, and overall well-being. Its high quality and affordability make it an excellent choice for consistent daily intake.
Anti-Aging 98.0
Selenium's potent antioxidant properties are key to combating oxidative stress, a primary contributor to cellular aging. The 200 mcg L-Selenomethionine dose is highly effective in protecting cells from damage, thus supporting anti-aging goals comprehensively.
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