NOW Foods Immune PostBiotic, 60 Capsules supplement bottle
NOW Foods

Immune PostBiotic, 60 Capsules

What We Researched
6 active ingredients analyzed · 5 inactive ingredients decoded · 7 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
81
Product Score Good
100
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ascorbic Acid) 60 mg 67%
Vitamin D (as D3 Cholecalciferol) (from Lanolin) (1,000 IU) 25 mcg 125%
Zinc (from Zinc Bisglycinate) (Albion®) 7.5 mg 68%
Selenium (from L-Selenomethionine) 35 mcg 64%
EpiCor® (Dried Yeast Fermentate) (from Saccharomyces cerevisiae) 500 mg
Olive Leaf Extract (Olea europaea) (min. 18% Oleuropein) 33 mg
Bioavailability Excellent

Absorption Rating

  • Vitamin C (as Ascorbic Acid) Fair
  • Vitamin D (as D3 Cholecalciferol) (from Lanolin) (1,000 IU) Good
  • Zinc (from Zinc Bisglycinate) (Albion®) Good
  • Selenium (from L-Selenomethionine) Good
  • EpiCor® (Dried Yeast Fermentate) (from Saccharomyces cerevisiae) Good
  • Olive Leaf Extract (Olea europaea) (min. 18% Oleuropein) Good
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose (Cellulose Capsule)
  • Microcrystalline Cellulose
  • Ascorbyl Palmitate
  • Modified Starch
  • Citric acid and maltodextrin
Efficacy Poor

Dosage Analysis

  • Vitamin C (as Ascorbic Acid) 60 mg Under-dosed
  • Vitamin D (as D3 Cholecalciferol) (from Lanolin) (1,000 IU) 25 mcg Effective
  • Zinc (from Zinc Bisglycinate) (Albion®) 7.5 mg Under-dosed
  • Selenium (from L-Selenomethionine) 35 mcg Under-dosed
  • EpiCor® (Dried Yeast Fermentate) (from Saccharomyces cerevisiae) 500 mg Effective
  • Olive Leaf Extract (Olea europaea) (min. 18% Oleuropein) 33 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Ascorbic Acid) 60 mg 67%
Vitamin D (as D3 Cholecalciferol) (from Lanolin) (1,000 IU) 25 mcg 125%
Zinc (from Zinc Bisglycinate) (Albion®) 7.5 mg 68%
Selenium (from L-Selenomethionine) 35 mcg 64%
EpiCor® (Dried Yeast Fermentate) (from Saccharomyces cerevisiae) 500 mg
Olive Leaf Extract (Olea europaea) (min. 18% Oleuropein) 33 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose (Cellulose Capsule) Safe

It is used as a material for making vegetarian capsules.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Ascorbyl Palmitate Safe

Prevents oxidation and extends shelf life of oil-based supplements.

Modified Starch Generally_safe

It is used as a filler, binder, or thickener.

Citric acid and maltodextrin Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$25$23$22$20$19 Mar 12 $23.00$20.89
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
NOW Foods

Founded 1968 · Bloomingdale, Illinois, USA · 996 products · nowfoods.com

Certifications

7 certifications
Consumerlab Verified Source
Informed Sport Verified Source
Labdoor Verified Source
Non Gmo Project Verified Source
Npa Gmp Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

7 incidents
Lawsuit Mislabeled St. John's Wort supplement, containing significantly less of the active ingredient than advertised.NoneSource
Lawsuit A data breach that compromised personal and health information of employees and dependents.2023Source
Prop 65 Lead2021-11-30Source
Recall NOW Real Food® Raw Macadamia Nuts2020-06-12Source
Recall NOW Real Food® Zesty Sprouting Mix2018-06-21Source
Lawsuit Misleadingly using slack-fill packaging for their Vitamin C supplements.2015Source
Fda Warning Adulterated Dietary Supplement due to pesticide (quintozene) contamination in American Ginseng.2007-10-12Source
Related Supplements
Frequently Asked Questions
Is NOW Foods Immune PostBiotic, 60 Capsules a good supplement?

NOW Foods Immune PostBiotic, 60 Capsules received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 6 active ingredients Of the 5 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, NOW Foods, holds a brand trust score of 100/100 with 7 verified certifications including Consumerlab, Informed Sport, Labdoor, Non Gmo Project.

What are the ingredients in NOW Foods Immune PostBiotic, 60 Capsules?

NOW Foods Immune PostBiotic, 60 Capsules contains 6 active ingredients: Vitamin C (as Ascorbic Acid) (60 mg), Vitamin D (as D3 Cholecalciferol) (from Lanolin) (1,000 IU) (25 mcg), Zinc (from Zinc Bisglycinate) (Albion®) (7.5 mg), Selenium (from L-Selenomethionine) (35 mcg), EpiCor® (Dried Yeast Fermentate) (from Saccharomyces cerevisiae) (500 mg), Olive Leaf Extract (Olea europaea) (min. 18% Oleuropein) (33 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW Foods Immune PostBiotic, 60 Capsules safe to take?

NOW Foods Immune PostBiotic, 60 Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NOW Foods a trustworthy supplement brand?

NOW Foods receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 996 products in their lineup. They hold 7 verified certifications including Consumerlab, Informed Sport, Labdoor, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: NOW Foods has 7 historical regulatory incidents on record, which are factored into the trust score.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

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.