An immune support vitamin with vitamin C, vitamin D3, zinc, copper, quercetin, and melatonin to reinforce your body’s natural defense system.
Designed to keep you feeling your best, even as seasonal changes, social events, travel, and increased life demands challenge your immune system.
Evidence based immune support supplement.
vitamin C for immune health.
With a unique blend of vitamins, minerals, antioxidants, and phytonutrients, Theravir is specifically designed to support a vital immune response and a healthy immune system.*
Vitamin D for immune health.
Theravir is a unique blend of vitamin C, vitamin D3, zinc, quercetin, and melatonin formulated to support a vital immune response.*
An immune support vitamin with vitamin C, vitamin D3, zinc, copper, quercetin, and melatonin to reinforce your body’s natural defense system.
Designed to keep you feeling your best, even as seasonal changes, social events, travel, and increased life demands challenge your immune system.
Evidence based immune support supplement.
vitamin C for immune health.
With a unique blend of vitamins, minerals, antioxidants, and phytonutrients, Theravir is specifically designed to support a vital immune response and a healthy immune system.*
Vitamin D for immune health.
Theravir is a unique blend of vitamin C, vitamin D3, zinc, quercetin, and melatonin formulated to support a vital immune response.*

Theravir® 免疫支持補充劑

90-day supply
$64.21 $78.95
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Theravir 獨特地混合了維生素、礦物質、抗氧化劑和植物營養素，專為支持重要的免疫反應和健康的免疫系統而設計。

  • 維生素 C、維生素 D3、鋅、槲皮素和褪黑激素的強大組合，可增強身體的自然防禦系統。
  • 尖端的免疫支持：提供最新的、有研究支持的營養物質來支持免疫。
  • 旨在讓您保持最佳狀態，即使季節變化、社交活動、旅行和增加的生活需求挑戰您的免疫系統。
  • 經過獨立測試和內容認證。在美國符合 GMP 的工廠製造。
      建議用途

      Take two capsules in the evening, before bedtime. For best absorption, do not take on an empty stomach.

      常見問題解答
      How is Theravir different than other immune health supplements?
    • Independently tested and certified. Theravir is tested and certified by NSF® International for content accuracy and purity, so you know exactly what you’re getting.

    • Evidence-based. Theravir’s formulation reflects the most up-to-date research and recommendations for immune health.* It contains a unique blend of vitamin C, vitamin D3, zinc, quercetin, and melatonin formulated to support a vital immune response.*

    • No proprietary blends. Theralogix believes in transparency. That’s why you’ll never find any proprietary blends or undisclosed ingredients in Theravir or any of our products. All active ingredients and dosages are always clearly labeled on our supplements.
      • What is quercetin?
      Quercetin is a plant nutrient found in red wine, onions, kale, apples, and green tea. It’s a natural antioxidant that’s been shown to promote immune health.*
      Who is likely to benefit from Theravir?
      Any adult looking for year-round immune support could benefit from Theravir.*
      What is the best time of day to take Theravir?
      Theravir contains melatonin, which can cause drowsiness. Take Theravir 30-60 minutes before bed.
      Are there any side effects from taking Theravir?
      Melatonin (in Theravir) can cause drowsiness and dizziness in some individuals. Do not drive or operate heavy machinery for at least 4-5 hours after taking Theravir.
      Is there anyone who should not take Theravir?
      Yes. Women who are pregnant or nursing should not take Theravir. There currently is not enough evidence to determine the safety of melatonin (in Theravir) during pregnancy or breastfeeding. Consult with your healthcare provider before using Theravir if you have one of the following conditions:
    • Depression: Some evidence suggests that melatonin may worsen symptoms of depression.
    • Seizure disorders: Melatonin may increase the risk of seizures.
    • Bleeding disorders: Melatonin has demonstrated anticoagulant activity and may increase the risk of bleeding in those with bleeding disorders.
      • Can I take other nutritional supplements with Theravir?
      Yes. You can continue to take most other supplements along with Theravir, including TherOmega, TheraCran One, OptiFlex Complete, Canabrex, and CurcuSorb.

      Do not take Theravir with other supplements containing melatonin or zinc, unless otherwise directed by your healthcare provider.

      Exercise caution if taking vitex angus-castus or caffeine supplements along with Theravir, as these supplements may increase adverse effects of melatonin.

      Does Theravir interact with any prescription medications?
      The list below includes some of the more common potential interactions. This is not meant to be a comprehensive list or take the place of advice from your healthcare provider. As with any dietary supplement, discuss with your pharmacist and/or healthcare team to determine whether Theravir can be taken along with your medications.

      Antibiotics: Taking zinc and quercetin (in Theravir) along with antibiotics can decrease their absorption and effectiveness. Depending on which antibiotic is prescribed, you may need to separate Theravir from the antibiotic, as indicated below.

    • Cephalexin (Keflex): Take at least 3 hours before Theravir.
    • Tetracycline antibiotics (doxycycline, minocycline, demeclocycline): Separate by 4 hours.
    • Quinolone antibiotics (Ciprofloxacin (Cipro), gemifloxacin (Factive), levofloxacin (Levaquin), Moxifloxacin (Avelox)): Separate by 6 hours.

      Benzodiazapenes (Valium®, Xanax®, Halcion®, Ativan®, and Klonopin®): Taking melatonin (in Theravir) along with sedative drugs may cause additive sedation.

      Contraceptive drugs (birth control): Contraceptive drugs may increase the effects and side effects of oral melatonin (in Theravir).

      High blood pressure medications: Although melatonin may decrease blood pressure in healthy people, melatonin might worsen blood pressure in those already taking medications for high blood pressure. Monitor your blood pressure closely if you’re taking melatonin along with high blood pressure medications.

      Immunosuppressants: Theravir may interfere with immunosuppressive therapy.

      Medications for diabetes: Some evidence suggests melatonin may increase the risk for low blood sugar, while other evidence suggests it may raise blood sugar. Exercise caution if you’re taking melatonin along with medications to help manage diabetes and monitor your blood sugar closely.

      Penacillamine: Zinc (in Theravir) may reduce the absorption of this medication. Separate by 2 hours.

      Seizure medications (anticonvulsants): Melatonin may decrease the effectiveness of anticonvulsants and increase the frequency of seizures in certain individuals.

      Warfarin (Coumadin): Melatonin (in Theravir) may increase the risk of bleeding when taken with warfarin.

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