Product Image

Selenium 100 mcg

NOW
4.6
★ ★ ★ ★ ★
(130 ratings)
Selenium 100 mcg
Product Image
Score97

A high-count bulk bottle of bioavailable selenium tablets that offers incredible value for daily use.

How scoring works
Quantity:250 Tablet(s) • (250 servings)
Goals:
General Health
Immunity

Score 97

A high-count bulk bottle of bioavailable selenium tablets that offers incredible value for daily use.

How scoring works

Also available as

1 option
100 servings Selenium 100 mcg • 100 Tablet(s) • 100 servings $4.70 ($0.04 per serving)
$10.40($0.04 per serving)
Daily Vita
$ 10.40
Vitacost
$ 11.77
Report prices

Analysis

With 250 tablets per bottle, this product provides a very long supply of a 100 mcg dose of selenium. It uses L-selenomethionine to ensure that the mineral is absorbed well and used effectively by your body's cells.

This organic form is much more efficient than inorganic salts and is safer for long-term use at this dosage. It is a simple, effective way to support your natural defense against oxidative stress and maintain your thyroid health.

Pros

  • Massive 250-tablet count
  • Exceptional price per dose
  • Safe 100 mcg daily amount
  • High-quality organic mineral

Cons

  • Large bottle size
  • Tablets may contain more binders than capsules

Warnings

  • Store away from heat and moisture
  • Do not double up if you miss a dose

Nutrient quality

98 Highest impact

Organic mineral forms ensure superior biological retention and efficient systemic delivery. Dosages are appropriately set for long-term daily health maintenance without safety concerns.

Ingredient transparency

99 Highest impact

Excellent labeling clearly identifies the chemical form and precise amount of the active mineral. Complete disclosure for all ingredients helps verify the product's high standards.

Customer satisfaction

90 Highest impact

Strong ratings from users indicate a high degree of satisfaction with this bulk offering. Feedback suggests the product is reliable and well-received for daily nutritional needs.

Value for money

100 Highest impact

High count and low cost per serving make this one of the best values in its category. Superior affordability is achieved without compromising on the quality of the mineral form.

Report analysis

Goals

General Health
Impact
Highest effect
A+ Goal FitA Strength of SupportB+ CoverageA+ Formula Quality

Selenium as L-selenomethionine supports foundational health by maintaining antioxidant defense and metabolic function. This essential trace mineral contributes to systemic resilience and helps manage daily physiological stressors.

Providing 100 mcg of a bioavailable mineral appears well-aligned with long-term wellness goals. This targeted single-nutrient approach meaningfully contributes to systemic health through clinical-grade maintenance support.

View goal →
Immunity
Impact
Highest effect
B+ Goal FitA Strength of SupportD+ CoverageA Formula Quality

Selenium as L-Selenomethionine provides a critical mineral for enabling a swift and controlled immune response, particularly against viral challenges. It is a key component of the glutathione peroxidase enzyme, which protects tissues from oxidative damage during illness.

The 100 mcg dose provides solid maintenance support for those with varied diets and fits safely below toxicity limits. Using the bioactive L-isomer ensures that the mineral is effectively retained and utilized by the body's cells.

View goal →

Ingredients

IngredientAmount per serving
Selenium (L-Selenomethionine)
 100 mcg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Selenium (L-Selenomethionine) · 100 mcg OverallScore95
A+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyA+ Value
This high-count standalone selenium from NOW features the bioavailable L-selenomethionine form for reliable efficacy. It is very safe for daily use and offers one of the best values in the collection.
View ingredientView products
97 Value

Selenium 100 mcg

NOW
4.8
★★★★★
(123 ratings)
The smaller 100-count size of this bioavailable organic mineral is perfect for those trial-running their maintenance levels. It ensures high-quality support for thyroid and antioxidant health with a lower initial investment.
Other sellers (3)
99 Value

Selenium 200 mcg

California Gold Nutrition
4.8
★★★★★
(12290 ratings)
Providing 200 mcg of L-selenomethionine in a large count bottle ensures robust clinical support efficiently. It is a highly effective choice for those seeking to maximize their long-term trace mineral status.
Other sellers (0)
99 Value

Selenium 200 mcg

NOW
4.8
★★★★★
(33298 ratings)
This high-count 180 capsule format of organic selenium is an efficient choice for daily wellness and thyroid health. It provides twice the potency of the original for a very competitive long-term price.
Other sellers (4)
99 Performance

SeMSC Selenium 200 mcg

Swanson
4.8
★★★★★
(1584 ratings)
L-Se-Methylselenocysteine is an advanced organic isomer recognized for superior systemic retention and utility. Doubling the dose to 200 mcg provides more potent clinical support for the body's antioxidant pathways.
Other sellers (1)
98 Performance

Se-Methyl L-Selenocysteine 200 mcg

Life Extension
4.8
★★★★★
(2837 ratings)
This premium organic source ensures high biological activity and specialized cellular integration. It provides a more advanced clinical dose for supporting immune cell activity and managing oxidative stress.
Other sellers (3)
98 Performance

Super Selenium Complex 200 mcg & Vitamin E

Life Extension
4.8
★★★★★
(37599 ratings)
A multi-source complex combined with Vitamin E provides advanced synergy for protecting cells from oxidative strain. It offers broader nutritional support for systemic vitality than a simple 100 mcg mineral dose.
Other sellers (2)
98 Budget

Selenium 100 mcg

Swanson
4.8
★★★★★
(4151 ratings)
Selenium SeLECT L-selenomethionine provides premium clinical quality for foundational antioxidant defense. This capsule format is even more affordable per serving for maintaining daily mineral status.
Other sellers (0)
98 Budget

Selenium 100 mcg

Swanson
4.8
★★★★★
(4216 ratings)
The larger 300-count bulk size of this organic L-selenomethionine offers an even lower daily cost. It is an extremely economical way to maintain a stable 100 mcg maintenance dose long-term.
Other sellers (1)
98 Budget

Selenium Complex 200 mcg

Swanson
4.8
★★★★★
(7386 ratings)
Albion Selenium Glycinate provides twice the mineral dose in a highly absorbable chelated form for a very low cost. It represents a smart upgrade to clinical-strength support without increasing daily expense.
Other sellers (1)
97 Value

Selenium 100 mcg

NOW
4.8
★★★★★
(123 ratings)
The smaller 100-count size of this bioavailable organic mineral is perfect for those trial-running their maintenance levels. It ensures high-quality support for thyroid and antioxidant health with a lower initial investment.
Other sellers (3)
99 Value

Selenium 200 mcg

California Gold Nutrition
4.8
★★★★★
(12290 ratings)
Providing 200 mcg of L-selenomethionine in a large count bottle ensures robust clinical support efficiently. It is a highly effective choice for those seeking to maximize their long-term trace mineral status.
Other sellers (0)
99 Value

Selenium 200 mcg

NOW
4.8
★★★★★
(33298 ratings)
This high-count 180 capsule format of organic selenium is an efficient choice for daily wellness and thyroid health. It provides twice the potency of the original for a very competitive long-term price.
Other sellers (4)
99 Performance

SeMSC Selenium 200 mcg

Swanson
4.8
★★★★★
(1584 ratings)
L-Se-Methylselenocysteine is an advanced organic isomer recognized for superior systemic retention and utility. Doubling the dose to 200 mcg provides more potent clinical support for the body's antioxidant pathways.
Other sellers (1)
98 Performance

Se-Methyl L-Selenocysteine 200 mcg

Life Extension
4.8
★★★★★
(2837 ratings)
This premium organic source ensures high biological activity and specialized cellular integration. It provides a more advanced clinical dose for supporting immune cell activity and managing oxidative stress.
Other sellers (3)
98 Performance

Super Selenium Complex 200 mcg & Vitamin E

Life Extension
4.8
★★★★★
(37599 ratings)
A multi-source complex combined with Vitamin E provides advanced synergy for protecting cells from oxidative strain. It offers broader nutritional support for systemic vitality than a simple 100 mcg mineral dose.
Other sellers (2)
Report alternatives