Source Naturals Wellness, ImmuneSmart®, 90 Capsules supplement bottle
Source Naturals

Wellness, ImmuneSmart®, 90 Capsules

What We Researched
17 active ingredients analyzed · 4 inactive ingredients decoded · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
76
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (as palmitate) (2,500 IU) 750 mcg 83%
Vitamin C (from ascorbic acid) 1,000 mg 1,111%
Vitamin D-3 (as cholecalciferol) (2,500 IU) 62 mcg 310%
Zinc (as zinc citrate) 20 mg 182%
Selenium (as sodium selenite) 100 mcg 182%
Copper (as copper citrate) 153 mcg 17%
Elderberry Fruit Extract 375 mg
Echinacea purpurea Whole Plant Extract 210 mg
Andrographis Aerial Parts Extract(10% andrographolides) 150 mg
Astragalus Root Extract 150 mg
Garlic Bulb 100 mg
Reishi Mushroom Extract 100 mg
Quercetin 50 mg
Coriolus versicolor Fruiting Body Extract(30% polysaccharides) 40 mg
Standardized Bovine Colostrum (dried)(yielding 12 mg of naturally occurring immunoglobulins [proteins]) 40 mg
Transfer Factor Complex (fractionated colostrum) 20 mg
Bioavailability Very Good

Absorption Rating

  • Vitamin A (as palmitate) (2,500 IU) Good
  • Vitamin C (from ascorbic acid) Fair
  • Vitamin D-3 (as cholecalciferol) (2,500 IU) Good
  • Zinc (as zinc citrate) Good
  • Selenium (as sodium selenite) Fair
  • Copper (as copper citrate) Good
  • Elderberry Fruit Extract Good
  • Echinacea purpurea Whole Plant Extract Good
  • Andrographis Aerial Parts Extract(10% andrographolides) Fair
  • Astragalus Root Extract Poor
  • Garlic Bulb Fair
  • Reishi Mushroom Extract Good
  • Quercetin Fair
  • Coriolus versicolor Fruiting Body Extract(30% polysaccharides) Good
  • Standardized Bovine Colostrum (dried)(yielding 12 mg of naturally occurring immunoglobulins [proteins]) Good
  • Transfer Factor Complex (fractionated colostrum) Fair
Other Ingredients Excellent

Fillers & Additives

  • Hydroxypropyl Methylcellulose
  • Silica
  • Magnesium Stearate
  • Gelatin
Efficacy Poor

Dosage Analysis

  • Vitamin A (as palmitate) (2,500 IU) 750 mcg Effective
  • Vitamin C (from ascorbic acid) 1,000 mg Effective
  • Vitamin D-3 (as cholecalciferol) (2,500 IU) 62 mcg Effective
  • Zinc (as zinc citrate) 20 mg Effective
  • Selenium (as sodium selenite) 100 mcg Effective
  • Copper (as copper citrate) 153 mcg Under-dosed
  • Elderberry Fruit Extract 375 mg Under-dosed
  • Echinacea purpurea Whole Plant Extract 210 mg Under-dosed
  • Andrographis Aerial Parts Extract(10% andrographolides) 150 mg Under-dosed
  • Astragalus Root Extract 150 mg Under-dosed
  • Garlic Bulb 100 mg Under-dosed
  • Reishi Mushroom Extract 100 mg Under-dosed
  • Quercetin 50 mg Under-dosed
  • Coriolus versicolor Fruiting Body Extract(30% polysaccharides) 40 mg Under-dosed
  • Standardized Bovine Colostrum (dried)(yielding 12 mg of naturally occurring immunoglobulins [proteins]) 40 mg Under-dosed
  • Transfer Factor Complex (fractionated colostrum) 20 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Total Carbohydrate 1 g <1%*
Vitamin A (as palmitate) (2,500 IU) 750 mcg 83%
Vitamin C (from ascorbic acid) 1,000 mg 1,111%
Vitamin D-3 (as cholecalciferol) (2,500 IU) 62 mcg 310%
Zinc (as zinc citrate) 20 mg 182%
Selenium (as sodium selenite) 100 mcg 182%
Copper (as copper citrate) 153 mcg 17%
Elderberry Fruit Extract 375 mg
Echinacea purpurea Whole Plant Extract 210 mg
Andrographis Aerial Parts Extract(10% andrographolides) 150 mg
Astragalus Root Extract 150 mg
Garlic Bulb 100 mg
Reishi Mushroom Extract 100 mg
Quercetin 50 mg
Coriolus versicolor Fruiting Body Extract(30% polysaccharides) 40 mg
Standardized Bovine Colostrum (dried)(yielding 12 mg of naturally occurring immunoglobulins [proteins]) 40 mg
Transfer Factor Complex (fractionated colostrum) 20 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$17$16$15$13$12 Mar 12 $15.00$14.29
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Source Naturals

Founded 1982 · Scotts Valley, CA, USA · 837 products · sourcenaturals.com/

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is Source Naturals Wellness, ImmuneSmart® a good supplement?

Source Naturals Wellness, ImmuneSmart®, 90 Capsules received a product quality score of 76/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 17 active ingredients with 30 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Source Naturals, holds a brand trust score of 66/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Source Naturals Wellness, ImmuneSmart®?

Source Naturals Wellness, ImmuneSmart® contains 17 active ingredients: Total Carbohydrate (1 g), Vitamin A (as palmitate) (2,500 IU) (750 mcg), Vitamin C (from ascorbic acid) (1,000 mg), Vitamin D-3 (as cholecalciferol) (2,500 IU) (62 mcg), Zinc (as zinc citrate) (20 mg), Selenium (as sodium selenite) (100 mcg), and 11 more. Notable high-dose ingredients include Vitamin C at 1,111% DV, Vitamin D-3 at 310% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Wellness, ImmuneSmart® safe to take?

Source Naturals Wellness, ImmuneSmart®, 90 Capsules has been analyzed for ingredient safety across all its components. All 4 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Source Naturals a trustworthy supplement brand?

Source Naturals receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Scotts Valley, CA, USA, the company offers 837 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.