Kirkman Labs Super Nu-Thera® Sweetened Powder, 16 oz (454 gm) supplement bottle
Kirkman Labs

Super Nu-Thera® Sweetened Powder, 16 oz (454 gm)

What We Researched
20 active ingredients analyzed · 3 inactive ingredients decoded · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
82
Product Score Good
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 1.4 g <1%
Vitamin A (as Retinol) (2,500 IU) 750 mcg RAE 83%
Vitamin C (as Ascorbic Acid, Sodium Ascorbate) 250 mg 278%
Vitamin D3 (as Cholecalciferol) (100 IU) 2.5 mcg 13%
Vitamin E (as Alpha-Tocopherol) (15 IU) 6.75 mg 67%
Vitamin B1 (as Thiamine Mononitrate) 7.5 mg 625%
Vitamin B2 (as Riboflavin) 7.5 mg 577%
Vitamin B3 (as Niacinamide) 15 mg NE 94%
Vitamin B6 (as Pyridoxine HCl) 250 mg 14706%
Folate (as L/6S-5-MTHF-Ca)(Folic Acid 200 mcg) 333 mcg DFE 83%
Vitamin B12 (as Cyanocobalamin) 5 mcg 208%
Biotin 50 mcg 167%
Vitamin B5 (as D-Calcium Pantothenate) 10 mg 200%
Iodine (from Potassium Iodide) 50 mcg 33%
Magnesium (from Magnesium Oxide, Bisglycinate, and Citrate) 125 mg 30%
Zinc (from Zinc Citrate) 5 mg 45%
Selenium (from Glycinate Complex) 25 mcg 45%
Manganese (from Citrate) 0.8 mg 33%
Bioavailability Very Good

Absorption Rating

  • Total Carbohydrates Fair
  • Vitamin A (as Retinol) (2,500 IU) Good
  • Vitamin C (as Ascorbic Acid, Sodium Ascorbate) Good
  • Vitamin D3 (as Cholecalciferol) (100 IU) Good
  • Vitamin E (as Alpha-Tocopherol) (15 IU) Good
  • Vitamin B1 (as Thiamine Mononitrate) Fair
  • Vitamin B2 (as Riboflavin) Good
  • Vitamin B3 (as Niacinamide) Good
  • Vitamin B6 (as Pyridoxine HCl) Fair
  • Folate (as L/6S-5-MTHF-Ca)(Folic Acid 200 mcg) Fair
  • Vitamin B12 (as Cyanocobalamin) Fair
  • Biotin Good
  • Vitamin B5 (as D-Calcium Pantothenate) Good
  • Iodine (from Potassium Iodide) Good
  • Magnesium (from Magnesium Oxide, Bisglycinate, and Citrate) Poor
  • Zinc (from Zinc Citrate) Good
  • Selenium (from Glycinate Complex) Good
  • Manganese (from Citrate) Good
Other Ingredients Excellent

Fillers & Additives

  • Fructose
  • Silicon Dioxide
  • Citric Acid
Efficacy Fair

Dosage Analysis

  • Vitamin A (as Retinol) (2,500 IU) 750 mcg RAE Effective
  • Vitamin C (as Ascorbic Acid, Sodium Ascorbate) 250 mg Effective
  • Vitamin D3 (as Cholecalciferol) (100 IU) 2.5 mcg Under-dosed
  • Vitamin E (as Alpha-Tocopherol) (15 IU) 6.75 mg Under-dosed
  • Vitamin B1 (as Thiamine Mononitrate) 7.5 mg Effective
  • Vitamin B2 (as Riboflavin) 7.5 mg Effective
  • Vitamin B3 (as Niacinamide) 15 mg NE Effective
  • Vitamin B6 (as Pyridoxine HCl) 250 mg High
  • Folate (as L/6S-5-MTHF-Ca)(Folic Acid 200 mcg) 333 mcg DFE Under-dosed
  • Vitamin B12 (as Cyanocobalamin) 5 mcg Effective
  • Biotin 50 mcg Effective
  • Vitamin B5 (as D-Calcium Pantothenate) 10 mg Effective
  • Iodine (from Potassium Iodide) 50 mcg Under-dosed
  • Magnesium (from Magnesium Oxide, Bisglycinate, and Citrate) 125 mg Under-dosed
  • Zinc (from Zinc Citrate) 5 mg Under-dosed
  • Selenium (from Glycinate Complex) 25 mcg Under-dosed
  • Manganese (from Citrate) 0.8 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 7
Total Carbohydrates 1.4 g <1%
Added Sugars 1.4 g <1%
Vitamin A (as Retinol) (2,500 IU) 750 mcg RAE 83%
Vitamin C (as Ascorbic Acid, Sodium Ascorbate) 250 mg 278%
Vitamin D3 (as Cholecalciferol) (100 IU) 2.5 mcg 13%
Vitamin E (as Alpha-Tocopherol) (15 IU) 6.75 mg 67%
Vitamin B1 (as Thiamine Mononitrate) 7.5 mg 625%
Vitamin B2 (as Riboflavin) 7.5 mg 577%
Vitamin B3 (as Niacinamide) 15 mg NE 94%
Vitamin B6 (as Pyridoxine HCl) 250 mg 14706%
Folate (as L/6S-5-MTHF-Ca)(Folic Acid 200 mcg) 333 mcg DFE 83%
Vitamin B12 (as Cyanocobalamin) 5 mcg 208%
Biotin 50 mcg 167%
Vitamin B5 (as D-Calcium Pantothenate) 10 mg 200%
Iodine (from Potassium Iodide) 50 mcg 33%
Magnesium (from Magnesium Oxide, Bisglycinate, and Citrate) 125 mg 30%
Zinc (from Zinc Citrate) 5 mg 45%
Selenium (from Glycinate Complex) 25 mcg 45%
Manganese (from Citrate) 0.8 mg 33%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Fructose Generally_safe

It is used as a sweetener.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$29$28$27$26$25 Mar 12 $27.00
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 Super Nu-Thera® Sweetened Powder, 16 oz (454 gm) a good supplement?

Kirkman Labs Super Nu-Thera® Sweetened Powder, 16 oz (454 gm) received a product quality score of 82/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 20 active ingredients with 181 servings per container. Of the 3 inactive ingredients, 2 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 Super Nu-Thera® Sweetened Powder, 16 oz (454 gm)?

Kirkman Labs Super Nu-Thera® Sweetened Powder, 16 oz (454 gm) contains 20 active ingredients: Calories (7), Total Carbohydrates (1.4 g), Added Sugars (1.4 g), Vitamin A (as Retinol) (2,500 IU) (750 mcg RAE), Vitamin C (as Ascorbic Acid, Sodium Ascorbate) (250 mg), Vitamin D3 (as Cholecalciferol) (100 IU) (2.5 mcg), and 14 more. Notable high-dose ingredients include Vitamin C at 278% DV, Vitamin B1 at 625% DV, Vitamin B2 at 577% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Kirkman Labs Super Nu-Thera® Sweetened Powder, 16 oz (454 gm) safe to take?

Kirkman Labs Super Nu-Thera® Sweetened Powder, 16 oz (454 gm) 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.

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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.