Recipes
- Main Dishes
- Desserts and Others
Food
- Plant-based
- Other
Nutrients
- Vitamins
  - C
  - D
  - E
  - K2
  - B1
  - B6
  - B12
- Minerals
  - Calcium
  - Magnesium
  - Zinc
  - Selenium
- Fatty Acids
  - Omega-9
  - EPA
  - DHA
- Additional
Articles
- Articles
- Additional Materials
Useful

0

Select Language:

RU
EN
RO

Main Useful Online health tests Signs of biotin deficiency (vitamin H, vitamin B7)

Signs of biotin deficiency (vitamin H, vitamin B7)

Signs of biotin deficiency (vitamin H, vitamin B7)

The questionnaire will help determine a possible biotin (vitamin B7, also known as vitamin H) deficiency based on characteristic symptoms. Please indicate if you have the following symptoms.

Test

My results

Reviews

6

Inflammation of the skin, peeling, gray pigmentation

Yes No

5

Brittleness of nails

Yes No

4

Hair loss

Yes No

3

Heightened skin sensitivity

Yes No

2

Nausea

Yes No

1

Anemia

Yes No

Answer all the questions to get the result for free and with no registration.

Looking for a source of nutrients? Check out iHerb:

Vitamin B7: Purity Products, MyBiotin, Hair, Skin & Nails Formula, 30 Vegetarian Capsules

≈ $26.95

Vitamin B7: Nature's Life, Biotin, 2,500 mcg, 200 Vegetarian Capsules

≈ $28.79

Promo codes for iHerb

Single's Day Early Access Sale: 15% off $40 USD / 22% off $60

Valid for Hong Kong, Taiwan, Macau, and Singapore only. Cannot be combined with other offers. Exclusions apply.

Valid until 31.10.2025

20% off Supplements

Exclusions apply. Cannot be combined with other offers.

Valid until 31.10.2025

Single's Day Early Access 25% off Sitewide

Valid for Mainland China only. Cannot be combined with other offers. Exclusions apply.

Valid until 31.10.2025

20% off $80 USD (300 SAR / 295 AED)

Valid for MENA only. Cannot be combined with other offers. Exclusions apply.

Valid until 31.10.2025

20% off Swanson Vitamins

Valid for Hong Kong, Japan, Australia, Israel, and Canada. Cannot be combined with other offers.

Valid until 31.10.2025

15% off for NEW Customers for KZ, KG, MD, GE and AM

15% off for NEW Customers for KZ, KG, MD, GE and AM Cannot be combined with other offers

15% off for NEW Customers for Europe

15% off for NEW Customers for Europe Cannot be combined with other offers

20% off Bob's Red Mill

20% off Bob's Red Mill Ends Dec 31, 2025. Cannot be combined with any other offers.

APP ONLY: 25% off Bob's Red Mill

APP ONLY: 25% off Bob's Red Mill Ends Dec 31, 2025. Cannot be combined with any other offers. Excludes the US.

20% off for NEW Customers

20% off for NEW Customers Cannot be combined with other offers

10% off $60 USD

10% off $60 USD Cannot be combined with other offers

20% off Tru Niagen NAD Supplements

20% off Tru Niagen NAD Supplements Dates: Live - Dec 31, 2025 Limited time offer. Cannot be combined with other offers. Exclusions apply.

20% off Metagenics

20% off Metagenics

20% off Doctor's Best

20% off Doctor's Best Cannot be combined with other offers.

20% off Viactiv

20% off Viactiv Cannot be combined with other offers.

20% off NeilMed Sinus Rinse

20% off NeilMed Sinus Rinse

20% off Great Lakes Wellness

20% off Great Lakes Wellness

20% off La Tourangelle

20% off La Tourangelle Cannot be combined with other offers.

Log in to the website before taking the test, and your results will always be available on this tab.

Take the test to see your results on this tab.

Leave your feedback on the test "Signs of biotin deficiency (vitamin H, vitamin B7)":

Add a review

Other tests

Test for vitamin B7 deficiency (according to Dr. Ertog)

Hyperthyroidism test

Hypothyroidism test

Test for androgen imbalance

Dutch Eating Behavior Questionnaire (DEBQ): external eating behavior

Dutch Eating Behavior Questionnaire (DEBQ): emotional eating behavior

Dutch Eating Behavior Questionnaire (DEBQ): restrictive eating behavior

Nutrient:
Vitamin B7

Share:

Recipes
Food Products
Nutrients

Articles
Glossary of Terms
Video about proper nutrition
The Most Important

Nutrition News
Privacy Policy

We are on social media

© All rights reserved. All information is provided for informational purposes only. We are not responsible for the results of any actions taken by the visitor based on the provided information.

Keto, LCHF: Recipes, Rules, Description $$$

Odessa

💬 Ask
AI-nutritionist

Only verified information backed by research, physiology, and biochemistry about your health.

Why diseases occur, how to heal with proper nutrition, vitamins, and minerals, what therapeutic doses to take, and which diet is optimal for your health. What tests to take and how to interpret the results.

In the settings, you can also enable knowledge based on GNM and homeopathy.

We use cookies to ensure the best presentation of our website. If you continue to use the site, we will assume that you are satisfied with it.