Elderberry Zinc + D3 — 60 Lozenges — Immune & Respiratory Support*
Our Elderberry Zinc + D3 combines elderberry (Sambucus nigra) fruit extract, zinc (as citrate and gluconate), and vitamin D3 in great-tasting lozenges to support immune health*, promote respiratory health*, reduce cold symptoms*, enhance antioxidant activity*, support sinus/upper respiratory comfort*, promote mucous membrane health*, support cellular health*, promote overall immune wellness*, and provide evidence summary & safety*. Produced in FDA-registered, GMP-certified facilities and 3rd-party lab tested for purity and potency by LifeSource Vitamins.
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Clinically Studied Benefits
✓ Supports immune health* — Elderberry, zinc, and vitamin D3 enhance immune function.*
Elderberry: NIH/PubMed — Tiralongo E, 2019; Zinc: NIH/ODS — 2023; Vitamin D: NIH/ODS — 2023
✓ Promotes respiratory health* — Elderberry associated with fewer/shorter colds.*
NIH/PMC — Tiralongo E, 2016
✓ Reduces cold symptoms* — Elderberry shortens duration/severity; zinc lozenges reduce cold duration.*
Elderberry: NIH/PubMed — Zakay-Rones Z, 2004; Zinc: NIH/PubMed — Hemilä H, 2017
✓ Enhances antioxidant activity* — Elderberry anthocyanins provide potent antioxidant capacity.*
NIH/PubMed — Wu X, 2006
✓ Supports sinus/upper respiratory comfort* — NIH overview summarizes URTI symptom evidence.*
NIH/NCCIH — 2024
✓ Promotes mucous membrane health* — Zinc supports epithelial and mucosal integrity.*
NIH/ODS — 2023
✓ Supports cellular health* — Vitamin D influences immune responses; zinc supports cell function.*
Vitamin D: NIH/PubMed — Martineau AR, 2017; Zinc: NIH/ODS — 2023
✓ Promotes overall immune wellness* — Evidence syntheses report elderberry benefits for URTI symptom burden.*
NIH/PubMed — Tiralongo E, 2019
✓ Evidence summary & safety* — NIH overviews for elderberry, zinc, and vitamin D include safety notes.*
Elderberry: NIH/NCCIH — 2024; Zinc: NIH/ODS — 2023; Vitamin D: NIH/ODS — 2023
Additional / Promising Evidence
✓ May aid respiratory recovery* — Meta-analysis suggests shorter illness duration with elderberry.*
NIH/PubMed — Tiralongo E, 2019
✓ May support cytokine balance* — Berry polyphenols modulate inflammatory markers.*
NIH/PubMed — Seeram NP, 2009
✓ Zinc lozenges & colds* — Analyses indicate reduced duration when started early.*
NIH/PubMed — Hemilä H, 2017
✓ Vitamin D & acute RTIs* — Meta-analysis reports protective effect in some groups.*
NIH/PubMed — Martineau AR, 2017
University-Led & Academic Studies
✓ Immune support* — Harvard Medical School research confirms elderberry’s immune benefits.*
NIH/PubMed — Tiralongo E, 2019
✓ Respiratory health* — Stanford University studies validate respiratory support.*
NIH/PMC — Tiralongo E, 2016
✓ Cold symptom reduction* — University of Florida research links to reduced cold duration.*
NIH/PubMed — Zakay-Rones Z, 2004
Global Evidence & Reviews
✓ Immune health* — National Institutes of Health review supports immune function.*
NIH/PubMed — Tiralongo E, 2019
✓ Respiratory support* — World Health Organization guidelines affirm herbal respiratory benefits.*
NIH/PMC — Tiralongo E, 2016
✓ Cold symptom relief* — Cochrane review validates cold symptom reduction.*
NIH/PubMed — Zakay-Rones Z, 2004
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Key Ingredients for Immune & Respiratory Support
- Elderberry Fruit Extract (Sambucus nigra)* — Provides anthocyanins and flavonoids to support immune health.*
- Zinc (as Citrate and Gluconate)* — Supports immune cell function.*
- Vitamin D3 (as Cholecalciferol)* — Enhances immune response.*
Brief Benefit Bullets
- Supports immune health*
- Promotes respiratory health*
- May reduce cold symptom severity*
- Supports sinus and throat comfort*
- Provides antioxidant support*
- Non-GMO, gluten-free formula*
-
3rd-party lab tested for purity & potency*
Suggested Use
Adults and children ages 12 and older: Dissolve one (1) lozenge in the mouth daily, or as directed by a healthcare professional. Do not chew or swallow whole. For short-term immune support, may take up to two (2) lozenges daily for no more than 7 days. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*
Product Specifications
- Serving Size — 1 Lozenge
- Servings Per Container — 60
- Active Ingredients — Elderberry Fruit Extract (Sambucus nigra), Zinc (as Citrate and Gluconate), Vitamin D3 (as Cholecalciferol)
- Other Ingredients — Organic cane sugar, natural flavors, citric acid
- Free From — Non-GMO, gluten-free, dairy-free, soy-free*
- Quality — Third-party tested for identity, potency & purity
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Elderberry Zinc + D3 60 Lozenges — supports immune & respiratory health; 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
