Quick answer
If you're looking for reliable antioxidant and immune support, Douglas Laboratories Selenium Plus Capsules combine selenium with vitamins C and E for triple-action protection. Start with one capsule daily with food, and consult your doctor before use if you have thyroid conditions or take other supplements.
Why selenium matters for your body
Selenium is an essential trace mineral that plays a key role in antioxidant defense, thyroid hormone metabolism, and immune function. Many people don't get enough from diet alone, especially if they avoid Brazil nuts, seafood, or organ meats. A targeted supplement can fill the gap without overdoing it.
What makes Selenium Plus different
Douglas Laboratories Selenium Plus Capsules go beyond a single mineral. They pair selenium with vitamin C and vitamin E, creating a three-ingredient antioxidant team. This combination can be more effective than selenium alone because the vitamins work synergistically to neutralize free radicals and support immune health. The formula is designed for those who want comprehensive antioxidant support in one capsule.
Who should be cautious
Selenium can be toxic in high doses, so stick to the recommended serving. If you already take a multivitamin or other supplements containing selenium, check the total to avoid exceeding 400 mcg per day. People with certain thyroid disorders, like Hashimoto's or Graves', should speak with a healthcare provider before starting, as selenium affects thyroid hormone conversion.
How to take Selenium Plus safely
- Symptom: You feel low energy, have brittle nails, or suspect your thyroid isn't functioning optimally. You may also notice frequent colds or slow recovery from illness.
- Likely cause: A dietary selenium deficiency is common in many regions with low soil selenium. Even with a balanced diet, you might not get enough for optimal antioxidant and thyroid support.
- Corrective action: Take one Douglas Laboratories Selenium Plus Capsule daily with a meal that contains some fat for better absorption. Consistency is key—use it as part of your morning or evening routine. Set a daily reminder and store the bottle in a cool, dry place away from direct sunlight.
- When to stop or choose another option: Stop use and consult your doctor if you experience nausea, a garlic-like breath odor, or any unusual symptoms. If you are pregnant, nursing, or have a diagnosed thyroid condition, choose a selenium-only supplement or seek medical guidance before starting Selenium Plus. If you prefer a single-mineral approach, look for a standalone selenium supplement without added vitamins.
Product facts
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Douglas Laboratories Selenium Plus Capsules: Douglas Laboratories Selenium Plus is made 3x as supportive thanks to antioxidant power from Selenium, Vitamin C, and Vitamin E. This triple-action formula provides broader antioxidant coverage than selenium alone, making it a practical choice for immune and thyroid support.
Douglas Laboratories Selenium Plus Capsules



