Uploaded June 2026 | Updated September 2026, 2 weeks ago
Vitamin deficiencies don't just affect energy levels. They can show up on the skin, hair, nails, and even inside the mouth long before other symptoms become obvious.
In this video, board-certified dermatologist Dr. Dray explains how common vitamin and micronutrient deficiencies can mimic everyday skin conditions like seborrheic dermatitis, eczema, hyperpigmentation, chapped lips, hair loss, brittle nails, and mouth sores. Learn how deficiencies in riboflavin (vitamin B2), niacin (vitamin B3), vitamin B6, vitamin B12, folate, iron, and even inadequate protein intake can affect skin health and overall wellness.
Dr. Dray also discusses the growing relevance of nutritional deficiencies in people taking GLP-1 medications for weight loss and diabetes, and explains when it may be appropriate to discuss nutritional testing with a healthcare provider.
TIMESTAMPS
0:00 Introduction
1:52 Why The Skin Often Shows Deficiencies First
2:22 Why Deficiencies Often Look Like Common Rashes
2:54 Riboflavin Deficiency (Vitamin B2)
4:24 Niacin Deficiency (Vitamin B3) And Pellagra
5:06 Vitamin B6 Deficiency
5:47 Vitamin B12 Deficiency
6:33 Iron Deficiency And The Skin
7:03 Folate Deficiency
7:26 What About GLP-1 Medications?
9:23 The Overlooked Role Of Protein
11:15 When Should You Suspect A Deficiency?
12:15 Final Thoughts
14:09 Outro
In this video you'll learn:
✔ Skin signs of vitamin deficiencies
✔ What angular cheilitis may indicate
✔ Causes of unexplained hair shedding and brittle nails
✔ Vitamin deficiencies that resemble seborrheic dermatitis and eczema
✔ Iron deficiency warning signs
✔ Vitamin B12 deficiency skin findings
✔ Pellagra and niacin deficiency symptoms
✔ Nutritional considerations while taking GLP-1 medications
✔ The role of protein in healthy skin, hair, and nails
✔ When to talk with your doctor about nutritional testing
Disclaimer: This video is for educational purposes only and is not intended to provide medical advice, diagnosis, or treatment. Always consult your physician or qualified healthcare professional regarding concerns about nutritional deficiencies, skin conditions, or medication use.
#VitaminDeficiency #SkinHealth #HairLoss #VitaminB12 #IronDeficiency #Dermatologist #DrDray #SeborrheicDermatitis #AngularCheilitis #GLP1 #Hyperpigmentation #HealthySkin #Nutrition #HairHealth #NailHealth
FTC: This video is not sponsored. Links are commissionable, meaning I may earn commission from purchases made through links.
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Disclaimer: This video is not intended to provide diagnosis, treatment or medical advice. Content provided on this Youtube channel is for informational purposes only. Please consult with a physician or other healthcare professional regarding any medical or health related diagnosis or treatment options. Information on this Youtube channel should not be considered as a substitute for advice from a healthcare professional. The statements made about specific products throughout this video are not to diagnose, treat, cure or prevent disease.
Vitamin deficiencies don't just affect energy levels. They can show up on the skin, hair, nails, and even inside the mouth long before other symptoms become obvious.
In this video, board-certified dermatologist Dr. Dray explains how common vitamin and micronutrient deficiencies can mimic everyday skin conditions like seborrheic dermatitis, eczema, hyperpigmentation, chapped lips, hair loss, brittle nails, and mouth sores. Learn how deficiencies in riboflavin (vitamin B2), niacin (vitamin B3), vitamin B6, vitamin B12, folate, iron, and even inadequate protein intake can affect skin health and overall wellness.
Dr. Dray also discusses the growing relevance of nutritional deficiencies in people taking GLP-1 medications for weight loss and diabetes, and explains when it may be appropriate to discuss nutritional testing with a healthcare provider.
TIMESTAMPS
0:00 Introduction
1:52 Why The Skin Often Shows Deficiencies First
2:22 Why Deficiencies Often Look Like Common Rashes
2:54 Riboflavin Deficiency (Vitamin B2)
4:24 Niacin Deficiency (Vitamin B3) And Pellagra
5:06 Vitamin B6 Deficiency
5:47 Vitamin B12 Deficiency
6:33 Iron Deficiency And The Skin
7:03 Folate Deficiency
7:26 What About GLP-1 Medications?
9:23 The Overlooked Role Of Protein
11:15 When Should You Suspect A Deficiency?
12:15 Final Thoughts
14:09 Outro
In this video you'll learn:
✔ Skin signs of vitamin deficiencies
✔ What angular cheilitis may indicate
✔ Causes of unexplained hair shedding and brittle nails
✔ Vitamin deficiencies that resemble seborrheic dermatitis and eczema
✔ Iron deficiency warning signs
✔ Vitamin B12 deficiency skin findings
✔ Pellagra and niacin deficiency symptoms
✔ Nutritional considerations while taking GLP-1 medications
✔ The role of protein in healthy skin, hair, and nails
✔ When to talk with your doctor about nutritional testing
Disclaimer: This video is for educational purposes only and is not intended to provide medical advice, diagnosis, or treatment. Always consult your physician or qualified healthcare professional regarding concerns about nutritional deficiencies, skin conditions, or medication use.
#VitaminDeficiency #SkinHealth #HairLoss #VitaminB12 #IronDeficiency #Dermatologist #DrDray #SeborrheicDermatitis #AngularCheilitis #GLP1 #Hyperpigmentation #HealthySkin #Nutrition #HairHealth #NailHealth
FTC: This video is not sponsored. Links are commissionable, meaning I may earn commission from purchases made through links.
💜Shop my Amazon store https://o.bttn.io/0BwiPWFIZLG
💜Follow me on liketoknowit https://www.liketoknow.it/drdrayzday
💜Social media
Instagram @drdrayzday
Pinterest pinterest.com/drdrayzday
Facebook @DrDrayzDay
Twitter: @drdrayzday
Tiktok: @drdrayzday
Disclaimer: This video is not intended to provide diagnosis, treatment or medical advice. Content provided on this Youtube channel is for informational purposes only. Please consult with a physician or other healthcare professional regarding any medical or health related diagnosis or treatment options. Information on this Youtube channel should not be considered as a substitute for advice from a healthcare professional. The statements made about specific products throughout this video are not to diagnose, treat, cure or prevent disease.
