Kirkman Labs Super Nu-Thera® Powder With Extra P5P, Natural Lemon, 16 oz (454 gm) supplement bottle
Kirkman Labs

Super Nu-Thera® Powder With Extra P5P, Natural Lemon, 16 oz (454 gm)

What We Researched
20 active ingredients analyzed · 5 inactive ingredients decoded · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
83
Product Score Good
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 1.5 g <1%
Vitamin A (as Retinol) 2500 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 45%
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 HCI, Pyridoxal 5'-Phosphate) 75 mg 4412%
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 Oxide, Bisglycinate, Citrate) 125 mg 30%
Zinc (from 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) Good
  • Vitamin C (as Ascorbic Acid, Sodium Ascorbate) Good
  • Vitamin D3 (as Cholecalciferol) Good
  • Vitamin E (as Alpha-Tocopherol) Good
  • Vitamin B1 (as Thiamine Mononitrate) Fair
  • Vitamin B2 (as Riboflavin) Good
  • Vitamin B3 (as Niacinamide) Good
  • Vitamin B6 (as Pyridoxine HCI, Pyridoxal 5'-Phosphate) 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 Oxide, Bisglycinate, Citrate) Good
  • Zinc (from Citrate) Fair
  • Selenium (from Glycinate Complex) Good
  • Manganese (from Citrate) Good
Other Ingredients Excellent

Fillers & Additives

  • Crystalline fructose
  • Natural lemon flavoring
  • Silicon Dioxide
  • Natural lime flavoring
  • Stevia Leaf Extract
Efficacy Fair

Dosage Analysis

  • Vitamin A (as Retinol) 2500 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 HCI, Pyridoxal 5'-Phosphate) 75 mg Effective
  • 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 Oxide, Bisglycinate, Citrate) 125 mg Under-dosed
  • Zinc (from 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 8
Total Carbohydrates 1.5 g <1%
Added Sugars 1.5 g <1%
Vitamin A (as Retinol) 2500 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 45%
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 HCI, Pyridoxal 5'-Phosphate) 75 mg 4412%
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 Oxide, Bisglycinate, Citrate) 125 mg 30%
Zinc (from 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.

Crystalline fructose Unknown
Natural lemon flavoring Unknown
Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Natural lime flavoring Unknown
Stevia Leaf Extract Safe

Provides sweetness without calories or blood sugar impact.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$40$39$38$37$36 Mar 12 $38.00
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® Powder With Extra P5P, Natural Lemon a good supplement?

Kirkman Labs Super Nu-Thera® Powder With Extra P5P, Natural Lemon, 16 oz (454 gm) received a product quality score of 83/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 20 active ingredients with 181 servings per container. Of the 5 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® Powder With Extra P5P, Natural Lemon?

Kirkman Labs Super Nu-Thera® Powder With Extra P5P, Natural Lemon contains 20 active ingredients: Calories (8), Total Carbohydrates (1.5 g), Added Sugars (1.5 g), Vitamin A (as Retinol) (2500 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® Powder With Extra P5P, Natural Lemon safe to take?

Kirkman Labs Super Nu-Thera® Powder With Extra P5P, Natural Lemon, 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.