HeightFactor

product on market Capsule Advanced Nutrition by Zahler 🟢 Safety: 98/100
Brand: Advanced Nutrition by Zahler
🟢 98/100

This product looks safe

  • Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • 53% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)

Label Data

4 Capsule(s) Serving Size
30 Servings
Botanical with Nutrients Product Type
53% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A
750 mcg (83% DV)
Vitamin C
100 mg (111% DV)
35 mcg (175% DV)
✅ 2.3× RDA — within safe limits 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.035mg UL 0.1mg
50 mcg (4167% DV)
📊 Market median: 30.0mg (1051 products) 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 0.05mg
50 mcg (3846% DV)
📊 Market median: 10.0mg (305 products) 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 0.05mg
50 mg (313% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 50mg UL 35mg
50 mg (2941% DV)
📊 38.5× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 50mg UL 100mg
50 mg (1000% DV)
📊 10.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 50mg
Calcium
125 mg (10% DV)
150 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)
RDA 0.15mg This product: 0.15mg UL 1.1mg
75 mcg (18% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 0.075mg
11 mg (100% DV)
✅ Within RDA (1.0× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 11mg UL 40mg
SelenoExcell
27.5 mcg (50% DV)
800 mg
📊 Market median: 4.0mg (67 products)
Median 4.0mg This product: 800mg
Alfalfa, Powder
500 mg
250 mg
📊 Market median: 500.0mg (159 products)
Median 500.0mg This product: 250mg
60 mcg
✅ Within RDA (0.5× RDA of 0.12 mg) 📚 273 studies (Tier A: 9, B: 175)
RDA 0.12mg This product: 0.06mg

Other Ingredients

Hypromellose Rice Hull Concentrate

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (76% of products) Nutrient (58% of products)

Target Groups

Vegetarian Adult (18 - 50 Years) Kosher Gluten Free Dairy Free

Product Information

📋 Directions for Use

Directions: Take 4 capsules daily, preferably 2 capsules twice a day with food, or as directed by a healthcare practitioner.

⚠️ Warnings & Precautions

Keep out of reach of children.

Do not use if safety seal is damaged or missing.

If pregnant, nursing or on medication, consult with your healthcare practitioner.

Because this product contains Vitamin K2, discontinue use 2 weeks prior to surgery.

🧪 Formulation Notes

Natural growth support formula

Zahler HeightFactor is an advanced proprietary blend of vitamins, minerals and nutrients. These ingredients help support the pituitary gland in its production of growth hormones and provide the proper nutrition to sustain necessary growth.

Kosher Pareve D (Kosher) Debracin (Rabbi Shlomo Stern) OU (Kosher) Under the strict supervision of Rabbi Sh. Stern & the Orthodox Union

Non-GMO Gluten Free Dairy Free

Vegetarian friendly

Healthy growth support Natural growth support formula

Additional Information

You may need additional supplements to support a healthy diet; consult your nutritionist for a formula that is right for you or contact us at 877-ASK-ZAHLER (877-275-9245) or ask@zahlers.com.

Kosher Pareve D (Kosher) Debracin (Rabbi Shlomo Stern) OU (Kosher) This product is manufactured in a GMP Certified Facility Vegetarian friendly Made in the USA with globally sourced ingredients

Store tightly closed in a cool, dry place.

Advanced health

Product Details

UPC / SKU 8 48998 08111 9
DSLD Entry Date 2024-11-22
Product Type Botanical with Nutrients
Form Capsule
Brand Advanced Nutrition by Zahler
DSLD ID 316632
Data Updated 2026-04-11

Research Evidence

337 Research Sources
54 Avg Quality Score
161 Meta Analysis
68 Systematic Review
51 Rct
48 Clinical Trial
2 Other
2 Regulatory Source
1 Narrative Review
1 Cochrane Review
1 Guideline
1 Openfda Safety
A Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age
Meta Analysis The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
A Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less
Meta Analysis The Cochrane database of systematic reviews 2011
PubMed DOI Cochrane
A Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection
Meta Analysis The Cochrane database of systematic reviews 2011
PubMed DOI Cochrane
A Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis
Meta Analysis BMJ (Clinical research ed.) 2011
PubMed DOI
A Fortification of staple foods with vitamin A for vitamin A deficiency
Systematic Review The Cochrane database of systematic reviews 2019
PubMed DOI Cochrane
A Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age
Narrative Review The Cochrane database of systematic reviews 2016
PubMed DOI Cochrane
A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa
Meta Analysis The Cochrane database of systematic reviews 2020
PubMed DOI
A Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Journal of sport and health science 2023
PubMed DOI
A Food fortification with multiple micronutrients: impact on health outcomes in general population
Meta Analysis The Cochrane database of systematic reviews 2019
PubMed DOI
A Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age
Meta Analysis The Cochrane database of systematic reviews 2024
PubMed DOI
View all evidence for Vitamin A →

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