Zahler HeightFactor, 120 Capsules supplement bottle
Zahler

HeightFactor, 120 Capsules

What We Researched
17 active ingredients analyzed · 2 inactive ingredients decoded · 2 brand certifications checked · 4 retailers compared · Last updated: Mar 2026
81
Product Score Good
70
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (as Beta-Carotene) 750 mcg 83%
Vitamin C (Ascorbic Acid) 100 mg 111%
Vitamin D3 (as Cholecalciferol) 35 mcg 175%
Thiamin (as Thiamine HCl) 50 mg 4,167%
Riboflavin 50 mg 3,846%
Niacin (as niacinamide) 50 mg 313%
Vitamin B6 (as Pyridoxine HCl) 50 mg 2,941%
Pantothenic Acid (as Calcium-D-Pantothenate) 50 mg 1000%
Calcium (as Calcium Citrate) 125 mg 10%
Iodine (from Kelp) 150 mcg 100%
Magnesium (as Magnesium Oxide) 75 mg 18%
Zinc (as Zinc Oxide) 11 mg 100%
Selenium (as SelenoExcell® Selenium Yeast from Saccharomyces cerevisiae) 27.5 mcg 50%
Chlorella Cracked Cell Wall Powder 800 mg *
Alfalfa Herb Powder 500 mg *
L-Lysine (as L-Lysine HCl) 250 mg *
Vitamin K (as Menaquinone-7) 60 mcg *
Bioavailability Good

Absorption Rating

  • Vitamin A (as Beta-Carotene) Fair
  • Vitamin C (Ascorbic Acid) Fair
  • Vitamin D3 (as Cholecalciferol) Good
  • Thiamin (as Thiamine HCl) Fair
  • Riboflavin Good
  • Niacin (as niacinamide) Good
  • Vitamin B6 (as Pyridoxine HCl) Fair
  • Pantothenic Acid (as Calcium-D-Pantothenate) Good
  • Calcium (as Calcium Citrate) Good
  • Iodine (from Kelp) Good
  • Magnesium (as Magnesium Oxide) Poor
  • Zinc (as Zinc Oxide) Poor
  • Selenium (as SelenoExcell® Selenium Yeast from Saccharomyces cerevisiae) Good
  • Chlorella Cracked Cell Wall Powder Fair
  • Alfalfa Herb Powder Poor
  • L-Lysine (as L-Lysine HCl) Good
  • Vitamin K (as Menaquinone-7) Good
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose (Capsule)
  • Organic Rice Hull Concentrate
Efficacy Good

Dosage Analysis

  • Vitamin A (as Beta-Carotene) 750 mcg Effective
  • Vitamin C (Ascorbic Acid) 100 mg Effective
  • Vitamin D3 (as Cholecalciferol) 35 mcg Effective
  • Thiamin (as Thiamine HCl) 50 mg Effective
  • Riboflavin 50 mg Effective
  • Niacin (as niacinamide) 50 mg High
  • Vitamin B6 (as Pyridoxine HCl) 50 mg Effective
  • Pantothenic Acid (as Calcium-D-Pantothenate) 50 mg Effective
  • Calcium (as Calcium Citrate) 125 mg Under-dosed
  • Iodine (from Kelp) 150 mcg Effective
  • Magnesium (as Magnesium Oxide) 75 mg Under-dosed
  • Zinc (as Zinc Oxide) 11 mg Effective
  • Selenium (as SelenoExcell® Selenium Yeast from Saccharomyces cerevisiae) 27.5 mcg Under-dosed
  • Chlorella Cracked Cell Wall Powder 800 mg Under-dosed
  • L-Lysine (as L-Lysine HCl) 250 mg Under-dosed
  • Vitamin K (as Menaquinone-7) 60 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin A (as Beta-Carotene) 750 mcg 83%
Vitamin C (Ascorbic Acid) 100 mg 111%
Vitamin D3 (as Cholecalciferol) 35 mcg 175%
Thiamin (as Thiamine HCl) 50 mg 4,167%
Riboflavin 50 mg 3,846%
Niacin (as niacinamide) 50 mg 313%
Vitamin B6 (as Pyridoxine HCl) 50 mg 2,941%
Pantothenic Acid (as Calcium-D-Pantothenate) 50 mg 1000%
Calcium (as Calcium Citrate) 125 mg 10%
Iodine (from Kelp) 150 mcg 100%
Magnesium (as Magnesium Oxide) 75 mg 18%
Zinc (as Zinc Oxide) 11 mg 100%
Selenium (as SelenoExcell® Selenium Yeast from Saccharomyces cerevisiae) 27.5 mcg 50%
Chlorella Cracked Cell Wall Powder 800 mg *
Alfalfa Herb Powder 500 mg *
L-Lysine (as L-Lysine HCl) 250 mg *
Vitamin K (as Menaquinone-7) 60 mcg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose (Capsule) Safe

It is used as a material for making vegetarian capsules.

Organic Rice Hull Concentrate Safe

Natural filler and flow agent from rice hulls.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$30$29$28$27$26 Mar 12 $27.99$27.99$27.92
iHerb
Vitacost
GNC

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

Brand Trust Report
Zahler

Founded 2005 · Brooklyn, NY, USA · 140 products · zahlers.com/

Certifications

2 certifications
Fda Gmp Inspections Verified Source
Kosher Certified Verified Source

Transparency

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

Violation History

4 incidents
Prop 65 Lead2023-08-28Source
Lawsuit Trademark Infringement2022Source
Prop 65 Lead2021-12-09Source
Fda Warning A retailer was cited for making drug claims about a Zahler product.2017-04-17Source
Related Supplements
Frequently Asked Questions
Is Zahler HeightFactor, 120 Capsules a good supplement?

Zahler HeightFactor, 120 Capsules received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 17 active ingredients All 2 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Zahler, holds a brand trust score of 70/100 with 2 verified certifications including Fda Gmp Inspections, Kosher Certified.

What are the ingredients in Zahler HeightFactor, 120 Capsules?

Zahler HeightFactor, 120 Capsules contains 17 active ingredients: Vitamin A (as Beta-Carotene) (750 mcg), Vitamin C (Ascorbic Acid) (100 mg), Vitamin D3 (as Cholecalciferol) (35 mcg), Thiamin (as Thiamine HCl) (50 mg), Riboflavin (50 mg), Niacin (as niacinamide) (50 mg), and 11 more. Notable high-dose ingredients include Thiamin at 4,167% DV, Riboflavin at 3,846% DV, Niacin at 313% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Zahler HeightFactor, 120 Capsules safe to take?

Zahler HeightFactor, 120 Capsules has been analyzed for ingredient safety across all its components. All 2 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Zahler a trustworthy supplement brand?

Zahler receives a brand trust score of 70/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2005 and headquartered in Brooklyn, NY, USA, the company offers 140 products in their lineup. They hold 2 verified certifications including Fda Gmp Inspections, Kosher Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Zahler has 4 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.