I Took B Vitamins For 30 Days, Here's What Happened
The Optimal Vitamin B12 Dosage for Adults
How Much B12 is TOO MUCH? - The Nerve Doctors
The Best Time of the Day to Take Vitamins
What's the Optimal Dose of Vitamin C?
Vitamin B2 - Essential Nutrient for Energy and Cell Growth, Sources and Dosage
Is there an optimal daily dose of vitamin D for immune function? | Roger Seheult
Potassium and Vitamin B12 Balance Explained by Dr.Berg!!
Latest Science On Vitamin C Is Damning!
Warning! You Should Never Take a B Complex Until You See This Video - VitaLife Show Episode 254
Best Time to Take Vitamins | Lecture 145
Best supplement for Vitamin B1 | Lecture 266
What Is the Optimal Vitamin C Intake?
Top 4 Daily Supplements EVERYONE Should be Taking | Ask Dr. Gundry
Vitamin D doses
How To Start High-Dose Thiamine (Vitamin B1)
10 Vitamins You Should Never Take Together | Dr. Janine
Can I have too much Vitamin C? | Ask Dr. Gundry
3 Supplements You Should NEVER take | Dr. Janine
How Much Vitamin D Do I Need? SURPRISING