Se-Methyl L-Selenocysteine 200 mcg
Life Extension
Se-Methyl L-Selenocysteine 200 mcg
4.9
★ ★ ★ ★ ★
(2398 ratings)
Selenium 200 mcg
Score 95.0
A premium selenium supplement featuring Se-Methyl L-Selenocysteine, offering excellent bioavailability and targeted health benefits, especially in antioxidant defense.
Quantity: 90 Capsule(s)Servings size: 1 Vegetarian Capsule(s) (90 servings)
Selected goals:
Other goals:
Immunity
General Health
Hair Health
Anti-Aging
Skin Health
leaderboard Score 95.0
A premium selenium supplement featuring Se-Methyl L-Selenocysteine, offering excellent bioavailability and targeted health benefits, especially in antioxidant defense.
insights Analysis
This Life Extension product provides 200 mcg of selenium in the specific form of Se-Methyl L-Selenocysteine, which is a highly regarded and well-researched organic form of selenium. This form is particularly noted for its potential in cancer prevention research, alongside its general antioxidant and immune-modulating benefits. Its excellent bioavailability ensures the body can effectively utilize the selenium for all its metabolic and protective functions. The high number of positive online reviews reflects consumer satisfaction with its quality and perceived effectiveness.
- Features Se-Methyl L-Selenocysteine, a highly bioavailable and well-researched organic selenium form.
- Provides an optimal 200mcg dosage for significant health benefits.
- From a reputable brand known for scientific formulations (Life Extension).
- Might be slightly more expensive than basic inorganic selenium supplements, although competitive for its specialized form.
- While highly effective, this specific form may not be necessary for individuals solely seeking basic selenium maintenance.
- The specific benefits of Se-Methyl L-Selenocysteine might be more targeted than general forms, potentially offering less broad utility for some users.
$8.25($0.09 per serving)
 Pure Formulas | $ 8.25 | |
 Amazon | $ 8.25 | |
 iHerb | $ 8.25 | |
 Vitacost | $ 8.25 |
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 95.0
This product features one of the most highly regarded and bioavailable forms of selenium (Se-Methyl L-Selenocysteine) at an optimal dose, making it a top-tier choice within the selenium category.
Goals
Anti-Aging 92.0
This specific form of selenium is a potent antioxidant, highly effective at combating oxidative stress and protecting cells from damage, which are key mechanisms for supporting cellular longevity and reducing signs of aging.
Immunity 90.0
Se-Methyl L-Selenocysteine is an organic and highly bioavailable form of selenium, directly contributing to stronger immune responses and improved function of immune cells. This specific form is considered very effective for immune support.
General Health 90.0
As an essential trace mineral in a superior organic form, it provides comprehensive support for overall cellular health, thyroid function, and antioxidant defense, promoting optimal general well-being across various bodily systems.
Recommended Alternatives
90 Value 
Selenium 200 mcg
NOW
4.8
★★★★★
(26270 ratings)
Offers 200mcg of L-Selenomethionine, an excellent organic form, at a very attractive price per serving of 5, representing superb value for its quality and dosage.
92 Value 
SelenoExcell 200 mcg
Swanson Ultra
4.8
★★★★★
(1264 ratings)
Delivers the highly bioavailable SelenoExcell at a remarkably low price per serving of 5, providing exceptional quality and efficacy at a competitive cost.
85 Value 
Selenium 200 mcg
21st Century
4.8
★★★★★
(10296 ratings)
This alternative uses Selenium Yeast, a good organic form, at a substantial 200mcg dose and a very budget-friendly price per serving of 7, offering solid value.
90 Performance 
Thyroid Care Plus
Terry Naturally
4.5
★★★★★
(1551 ratings)
This product contains a higher 300mcg dose of yeast-bound selenium, and as a comprehensive thyroid support formula, it provides additional synergistic nutrients that could offer more profound metabolic and general health benefits.
95 Performance 
Ancient Multi Immune+
Ancient Nutrition
4.8
★★★★★
(685 ratings)
With a very high 400mcg dose of selenium as part of a multi-ingredient immune complex, this alternative aims to provide broader, more intensive support for immunity and overall well-being, potentially surpassing the single-ingredient focus.
90 Performance 
Puri-T
LifeSeasons
4.7
★★★★★
(294 ratings)
This premium product offers 250mcg of Selenomethionine, a top-tier form, within a comprehensive formulation that includes other beneficial ingredients, potentially leading to more extensive and holistic health improvements.
90 Budget
Selenium 200 mcg
NOW
4.8
★★★★★
(26270 ratings)
Offers 200mcg of L-Selenomethionine, another highly bioavailable organic form, at a significantly lower price per serving of 5, providing excellent value for comparable efficacy.
92 Budget
SelenoExcell 200 mcg
Swanson Ultra
4.8
★★★★★
(1264 ratings)
Provides 200mcg of SelenoExcell, a premium yeast-bound selenium, at an impressively low price per serving of 5, making it a highly cost-effective alternative with proven benefits.
88 Budget 
Selenium Complex 200 mcg
Swanson
4.8
★★★★★
(5383 ratings)
This alternative delivers 200mcg of Albion Selenium Glycinate Complex, a well-absorbed chelated form, at an exceptionally low price per serving of 4, offering substantial savings.
90 Value
Selenium 200 mcg
NOW
4.8
★★★★★
(26270 ratings)
Offers 200mcg of L-Selenomethionine, an excellent organic form, at a very attractive price per serving of 5, representing superb value for its quality and dosage.
92 Value
SelenoExcell 200 mcg
Swanson Ultra
4.8
★★★★★
(1264 ratings)
Delivers the highly bioavailable SelenoExcell at a remarkably low price per serving of 5, providing exceptional quality and efficacy at a competitive cost.
85 Value
Selenium 200 mcg
21st Century
4.8
★★★★★
(10296 ratings)
This alternative uses Selenium Yeast, a good organic form, at a substantial 200mcg dose and a very budget-friendly price per serving of 7, offering solid value.
90 Performance
Thyroid Care Plus
Terry Naturally
4.5
★★★★★
(1551 ratings)
This product contains a higher 300mcg dose of yeast-bound selenium, and as a comprehensive thyroid support formula, it provides additional synergistic nutrients that could offer more profound metabolic and general health benefits.
95 Performance
Ancient Multi Immune+
Ancient Nutrition
4.8
★★★★★
(685 ratings)
With a very high 400mcg dose of selenium as part of a multi-ingredient immune complex, this alternative aims to provide broader, more intensive support for immunity and overall well-being, potentially surpassing the single-ingredient focus.
90 Performance
Puri-T
LifeSeasons
4.7
★★★★★
(294 ratings)
This premium product offers 250mcg of Selenomethionine, a top-tier form, within a comprehensive formulation that includes other beneficial ingredients, potentially leading to more extensive and holistic health improvements.