Isopure Colostrum+, Unflavored, 5.29 oz (150 g) supplement bottle
Isopure

Colostrum+, Unflavored, 5.29 oz (150 g)

What We Researched
31 active ingredients analyzed · 4 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
66
Product Score Fair
67
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (as vitamin A acetate) 230 mcg 26%
Vitamin C (as ascorbic acid) 23 mg 26%
Vitamin E (as dl-Alpha tocopheryl acetate) 3.7 mg 25%
Vitamin K (as phytonadione) 12 mcg 10%
Thiamin (as thiamin mononitrate) 0.1 mg 8%
Riboflavin 0.2 mg 15%
Niacin (as niacinamide) 3.1 mg 19%
Vitamin B6 (as pyridoxine hydrochloride) 0.3 mg 18%
Folate (60 mcg folic acid) 100 mcg DFE 25%
Vitamin B12 (as cyanocobalamin) 1 mcg 42%
Biotin 50 mcg 167%
Pantothenic Acid (as d-calcium pantothenate) 1.5 mg 30%
Calcium (as dicalcium phosphate) 200 mg 15%
Phosphorus 140 mg 11%
Iodine (as potassium iodide) 22 mcg 15%
Magnesium (as magnesium oxide) 65 mg 15%
Zinc (as zinc oxide) 2.4 mg 22%
Selenium (as sodium selenite) 11 mcg 19%
Copper (as copper sulfate) 0.3 mg 33%
Manganese (as manganese sulfate) 0.3 mg 13%
Chromium (as chromium chloride) 18 mcg 51%
Molybdenum (as sodium molybdate) 11 mcg 24%
Chloride 240 mg 10%
Potassium (as potassium chloride) 260 mg 6%
Bimuno® PowderGalactooligosaccharides 1.37 g **
Colostrum (Bovine) 1 g **
Bioavailability Good

Absorption Rating

  • Vitamin A (as vitamin A acetate) Good
  • Vitamin C (as ascorbic acid) Fair
  • Vitamin E (as dl-Alpha tocopheryl acetate) Poor
  • Vitamin K (as phytonadione) Fair
  • Thiamin (as thiamin mononitrate) Fair
  • Riboflavin Good
  • Niacin (as niacinamide) Good
  • Vitamin B6 (as pyridoxine hydrochloride) Fair
  • Folate (60 mcg folic acid) Fair
  • Vitamin B12 (as cyanocobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (as d-calcium pantothenate) Good
  • Calcium (as dicalcium phosphate) Fair
  • Phosphorus Good
  • Iodine (as potassium iodide) Good
  • Magnesium (as magnesium oxide) Poor
  • Zinc (as zinc oxide) Poor
  • Selenium (as sodium selenite) Fair
  • Copper (as copper sulfate) Fair
  • Manganese (as manganese sulfate) Good
  • Chromium (as chromium chloride) Poor
  • Molybdenum (as sodium molybdate) Good
  • Chloride Good
  • Potassium (as potassium chloride) Good
  • Bimuno® PowderGalactooligosaccharides Fair
  • Colostrum (Bovine) Fair
Other Ingredients Excellent

Fillers & Additives

  • Lactose
  • Calcium Silicate
  • Silicon Dioxide
  • Soy Lecithin
Efficacy Very Poor

Dosage Analysis

  • Vitamin A (as vitamin A acetate) 230 mcg Under-dosed
  • Vitamin C (as ascorbic acid) 23 mg Under-dosed
  • Vitamin E (as dl-Alpha tocopheryl acetate) 3.7 mg Under-dosed
  • Vitamin K (as phytonadione) 12 mcg Under-dosed
  • Thiamin (as thiamin mononitrate) 0.1 mg Under-dosed
  • Riboflavin 0.2 mg Under-dosed
  • Niacin (as niacinamide) 3.1 mg Under-dosed
  • Vitamin B6 (as pyridoxine hydrochloride) 0.3 mg Under-dosed
  • Folate (60 mcg folic acid) 100 mcg DFE Under-dosed
  • Vitamin B12 (as cyanocobalamin) 1 mcg Under-dosed
  • Biotin 50 mcg Effective
  • Pantothenic Acid (as d-calcium pantothenate) 1.5 mg Under-dosed
  • Calcium (as dicalcium phosphate) 200 mg Under-dosed
  • Phosphorus 140 mg Under-dosed
  • Iodine (as potassium iodide) 22 mcg Under-dosed
  • Magnesium (as magnesium oxide) 65 mg Under-dosed
  • Zinc (as zinc oxide) 2.4 mg Under-dosed
  • Selenium (as sodium selenite) 11 mcg Under-dosed
  • Copper (as copper sulfate) 0.3 mg Under-dosed
  • Manganese (as manganese sulfate) 0.3 mg Under-dosed
  • Chromium (as chromium chloride) 18 mcg Under-dosed
  • Molybdenum (as sodium molybdate) 11 mcg Under-dosed
  • Chloride 240 mg Under-dosed
  • Potassium (as potassium chloride) 260 mg Under-dosed
  • Bimuno® PowderGalactooligosaccharides 1.37 g Under-dosed
  • Colostrum (Bovine) 1 g Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 15
Total Carbohydrate 2 g 1%*
Dietary Fiber 1 g 4%*
Protein 1 g
Vitamin A (as vitamin A acetate) 230 mcg 26%
Vitamin C (as ascorbic acid) 23 mg 26%
Vitamin E (as dl-Alpha tocopheryl acetate) 3.7 mg 25%
Vitamin K (as phytonadione) 12 mcg 10%
Thiamin (as thiamin mononitrate) 0.1 mg 8%
Riboflavin 0.2 mg 15%
Niacin (as niacinamide) 3.1 mg 19%
Vitamin B6 (as pyridoxine hydrochloride) 0.3 mg 18%
Folate (60 mcg folic acid) 100 mcg DFE 25%
Vitamin B12 (as cyanocobalamin) 1 mcg 42%
Biotin 50 mcg 167%
Pantothenic Acid (as d-calcium pantothenate) 1.5 mg 30%
Calcium (as dicalcium phosphate) 200 mg 15%
Phosphorus 140 mg 11%
Iodine (as potassium iodide) 22 mcg 15%
Magnesium (as magnesium oxide) 65 mg 15%
Zinc (as zinc oxide) 2.4 mg 22%
Selenium (as sodium selenite) 11 mcg 19%
Copper (as copper sulfate) 0.3 mg 33%
Manganese (as manganese sulfate) 0.3 mg 13%
Chromium (as chromium chloride) 18 mcg 51%
Molybdenum (as sodium molybdate) 11 mcg 24%
Chloride 240 mg 10%
Sodium 15 mg 1%
Potassium (as potassium chloride) 260 mg 6%
Bimuno® PowderGalactooligosaccharides 1.37 g **
Colostrum (Bovine) 1 g **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Lactose Generally_safe

It is used as a filler or binder.

Calcium Silicate Safe

Prevents ingredient clumping during manufacturing.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Soy Lecithin Safe

Helps blend oil and water-based ingredients. Common allergen.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$27$26$25$24$23 Mar 12 $25.00
iHerb

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

Brand Trust Report
Isopure

Founded 1998 · Downers Grove, IL, United States · 26 products · theisopurecompany.com/

Certifications

1 certification
Informed Sport Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed
In House Testing — Verified

Violation History

3 incidents
Prop 65 Lead2025-04-11Source
Lawsuit Deceptive packaging with approximately 30% empty space ('slack-fill').2015Source
Lawsuit Misrepresenting the amount of whey protein in products ('protein-spiking').2014Source
Related Supplements
Frequently Asked Questions
Is Isopure Colostrum+, Unflavored a good supplement?

Isopure Colostrum+, Unflavored, 5.29 oz (150 g) received a product quality score of 66/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 31 active ingredients with 30 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Isopure, holds a brand trust score of 67/100 with 1 verified certifications including Informed Sport.

What are the ingredients in Isopure Colostrum+, Unflavored?

Isopure Colostrum+, Unflavored contains 31 active ingredients: Calories (15), Total Carbohydrate (2 g), Dietary Fiber (1 g), Protein (1 g), Vitamin A (as vitamin A acetate) (230 mcg), Vitamin C (as ascorbic acid) (23 mg), and 25 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Isopure Colostrum+, Unflavored safe to take?

Isopure Colostrum+, Unflavored, 5.29 oz (150 g) 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 Isopure a trustworthy supplement brand?

Isopure receives a brand trust score of 67/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1998 and headquartered in Downers Grove, IL, United States, the company offers 26 products in their lineup. They hold 1 verified certifications including Informed Sport. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Isopure has 3 historical regulatory incidents on record, which are factored into the trust score.

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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.