21st Century Selenium 200 mcg, 60 Capsules is a premium dietary supplement designed to help support your body’s antioxidant defenses and overall wellness. Selenium is an essential trace mineral that plays a vital role in neutralizing free radicals and protecting cells from oxidative stress. This formula delivers 200 micrograms of high-quality selenium per capsule — an ideal dose for daily nutritional support.
- Brand: 21st Century
- Form: Easy-to-swallow capsules
- Count: 60 capsules
- Serving: 1 capsule per day
- Gluten Free & Non-GMO
Key Benefits
Powerful Antioxidant Protection
Selenium acts as a potent antioxidant nutrient helping to protect cells from damage caused by free radicals and environmental stressors. Antioxidants help maintain youthful cellular function.
Supports Immune System Function
Essential for healthy immune responses — selenium helps support overall immune health and may help you stay resilient throughout seasonal challenges.
Thyroid Health & Hormone Balance
Selenium is important for thyroid hormone metabolism and healthy thyroid gland function, working with other nutrients to maintain optimal hormone balance.
Cellular Health & Wellness
This mineral contributes to everyday wellness — promoting cell maintenance, metabolic balance, and general vitality.
Supplement Facts
| Serving Size: | 1 Capsule |
|---|---|
| Selenium (as High Selenium Yeast) | 200 mcg – 364% Daily Value |
Other Ingredients:
Rice bran, brewer’s yeast, oat fiber, gelatin, <2% magnesium stearate.
No added sugar, preservatives, artificial flavors, or colors.
Suggested Use
Take one (1) capsule daily with any meal, or as directed by your healthcare professional. Do not exceed recommended dosage.
Precautions & Side Effects
Selenium supplements should be taken with caution — especially if you are pregnant, nursing, on medications, or have a medical condition. Consult your healthcare provider before use.
Possible Side Effects (Rare, With High Intake)
- Mild gastrointestinal discomfort
- Headache or nausea
- Metallic taste or garlic-like breath
- In rare cases, excessive long-term intake may cause toxicity (selenosis), leading to hair loss, nail brittleness, and fatigue if upper limits are exceeded.
Note: The safe upper intake level for selenium is typically around 400 mcg per day for adults. Always stay within recommended guidelines.
FAQs
Q: What is selenium and why do I need it?
A: Selenium is an essential trace mineral that supports antioxidant defenses, immune function, and thyroid health. Your body doesn’t produce it naturally, so supplementation may help fill dietary gaps.
Q: Can I take this supplement daily?
A: Yes — take one capsule daily with meals for best results, unless otherwise advised by your doctor.
Q: Are there any drug interactions with selenium?
A: Selenium can interact with certain medications (e.g., blood thinners and chemotherapy drugs). Always check with a healthcare provider if you are taking prescription treatments.
Q: Is it suitable for vegetarians or gluten-sensitive users?
A: This formula is gluten-free but contains gelatin, so it may not be suitable for strict vegetarians or vegans.
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