Kirkman Labs Nu-Thera Multivitamin with P5P, 300 Capsules supplement bottle
Kirkman Labs

Nu-Thera Multivitamin with P5P, 300 Capsules

What We Researched
18 active ingredients analyzed · 4 inactive ingredients decoded · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
86
Product Score Good
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Each Serving Contains Amount Per Serving %Daily Value
Vitamin A (as Retinol) 2,500 IU 750 mcg RAE 83%
Vitamin C (as Ascorbic Acid) 60 mg 67%
Vitamin D (as Cholecalciferol) 200 IU 5 mcg 25%
Vitamin E (as Alpha-Tocopherol) 30 IU 20 mg 133%
Vitamin B1 (as Thiamine Mononitrate) 7.5 mg 625%
Vitamin B2 (as Riboflavin-5-Phosphate) 7.5 mg 577%
Vitamin B3 (as Niacinamide) 20 mg NE 125%
Vitamin B6 (as Pyridoxal-5-Phosphate) 50 mg 2,941%
Folate (as L/6S-5-MTHF-Ca) (Folic Acid 400 mcg) 667 mcg DFE 167%
Vitamin B12 (as Cyanocobalmin) 10 mcg 417%
Biotin 200 mcg 667%
Vitamin B5 (as D-Calcium Pantothenate) 10 mg 200%
Iodine (from Potassium Iodide) 100 mcg 67%
Magnesium (from Oxide, Bisglycinate) 100 mg 24%
Zinc (from Citrate) 10 mg 91%
Selenium (from Glycinate Complex) 25 mcg 45%
Manganese (from Citrate) 1.5 mg 65%
Bioavailability Very Good

Absorption Rating

  • Each Serving Contains Fair
  • Vitamin A (as Retinol) 2,500 IU Good
  • Vitamin C (as Ascorbic Acid) Fair
  • Vitamin D (as Cholecalciferol) 200 IU Good
  • Vitamin E (as Alpha-Tocopherol) 30 IU Good
  • Vitamin B1 (as Thiamine Mononitrate) Fair
  • Vitamin B2 (as Riboflavin-5-Phosphate) Good
  • Vitamin B3 (as Niacinamide) Good
  • Vitamin B6 (as Pyridoxal-5-Phosphate) Good
  • Folate (as L/6S-5-MTHF-Ca) (Folic Acid 400 mcg) Fair
  • Vitamin B12 (as Cyanocobalmin) Fair
  • Biotin Good
  • Vitamin B5 (as D-Calcium Pantothenate) Good
  • Iodine (from Potassium Iodide) Good
  • Magnesium (from Oxide, Bisglycinate) Good
  • Zinc (from Citrate) Fair
  • Selenium (from Glycinate Complex) Good
  • Manganese (from Citrate) Good
Other Ingredients Excellent

Fillers & Additives

  • Vegetarian capsules (hypromellose and water)
  • Microcrystalline Cellulose
  • Silicon Dioxide
  • L-Leucine
Efficacy Good

Dosage Analysis

  • Vitamin A (as Retinol) 2,500 IU 750 mcg RAE Effective
  • Vitamin C (as Ascorbic Acid) 60 mg Under-dosed
  • Vitamin D (as Cholecalciferol) 200 IU 5 mcg Under-dosed
  • Vitamin E (as Alpha-Tocopherol) 30 IU 20 mg Effective
  • Vitamin B1 (as Thiamine Mononitrate) 7.5 mg Effective
  • Vitamin B2 (as Riboflavin-5-Phosphate) 7.5 mg Effective
  • Vitamin B3 (as Niacinamide) 20 mg NE Effective
  • Vitamin B6 (as Pyridoxal-5-Phosphate) 50 mg Effective
  • Folate (as L/6S-5-MTHF-Ca) (Folic Acid 400 mcg) 667 mcg DFE Effective
  • Vitamin B12 (as Cyanocobalmin) 10 mcg Effective
  • Biotin 200 mcg Effective
  • Vitamin B5 (as D-Calcium Pantothenate) 10 mg Effective
  • Iodine (from Potassium Iodide) 100 mcg Under-dosed
  • Magnesium (from Oxide, Bisglycinate) 100 mg Under-dosed
  • Zinc (from Citrate) 10 mg Effective
  • Selenium (from Glycinate Complex) 25 mcg Under-dosed
  • Manganese (from Citrate) 1.5 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Each Serving Contains Amount Per Serving %Daily Value
Vitamin A (as Retinol) 2,500 IU 750 mcg RAE 83%
Vitamin C (as Ascorbic Acid) 60 mg 67%
Vitamin D (as Cholecalciferol) 200 IU 5 mcg 25%
Vitamin E (as Alpha-Tocopherol) 30 IU 20 mg 133%
Vitamin B1 (as Thiamine Mononitrate) 7.5 mg 625%
Vitamin B2 (as Riboflavin-5-Phosphate) 7.5 mg 577%
Vitamin B3 (as Niacinamide) 20 mg NE 125%
Vitamin B6 (as Pyridoxal-5-Phosphate) 50 mg 2,941%
Folate (as L/6S-5-MTHF-Ca) (Folic Acid 400 mcg) 667 mcg DFE 167%
Vitamin B12 (as Cyanocobalmin) 10 mcg 417%
Biotin 200 mcg 667%
Vitamin B5 (as D-Calcium Pantothenate) 10 mg 200%
Iodine (from Potassium Iodide) 100 mcg 67%
Magnesium (from Oxide, Bisglycinate) 100 mg 24%
Zinc (from Citrate) 10 mg 91%
Selenium (from Glycinate Complex) 25 mcg 45%
Manganese (from Citrate) 1.5 mg 65%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetarian capsules (hypromellose and water) Unknown
Microcrystalline Cellulose Safe

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

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

L-Leucine Safe

It is included for its potential muscle-building and recovery benefits.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$74$73$72$71$70 Mar 12 $72.00
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
Kirkman Labs

Founded 1949 · Lake Oswego, Oregon, U.S. · 74 products · kirkmangroup.com

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

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

Violation History

1 incident
Fda Warning Marketing unapproved new drugs and misbranded drugs (sodium fluoride products).2016-01-13Source
Related Supplements
Frequently Asked Questions
Is Kirkman Labs Nu-Thera Multivitamin with P5P, 300 Capsules a good supplement?

Kirkman Labs Nu-Thera Multivitamin with P5P, 300 Capsules received a product quality score of 86/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 18 active ingredients with 150 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Kirkman Labs, holds a brand trust score of 81/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Kirkman Labs Nu-Thera Multivitamin with P5P, 300 Capsules?

Kirkman Labs Nu-Thera Multivitamin with P5P, 300 Capsules contains 18 active ingredients: Each Serving Contains (Amount Per Serving), Vitamin A (as Retinol) 2,500 IU (750 mcg RAE), Vitamin C (as Ascorbic Acid) (60 mg), Vitamin D (as Cholecalciferol) 200 IU (5 mcg), Vitamin E (as Alpha-Tocopherol) 30 IU (20 mg), Vitamin B1 (as Thiamine Mononitrate) (7.5 mg), and 12 more. Notable high-dose ingredients include Vitamin B1 at 625% DV, Vitamin B2 at 577% DV, Vitamin B6 at 2,941% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Kirkman Labs Nu-Thera Multivitamin with P5P, 300 Capsules safe to take?

Kirkman Labs Nu-Thera Multivitamin with P5P, 300 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 Kirkman Labs a trustworthy supplement brand?

Kirkman Labs receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1949 and headquartered in Lake Oswego, Oregon, U.S., the company offers 74 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. Note: Kirkman Labs has 1 historical regulatory incident on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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.