Doctor Ranks Every Supplement: Worst To Best | Dr Karan

February 2, 2026 admin Discount Health Products 5

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I used to think supplements were a waste of time and money. Not any more.
In this video I tier-rank 13 supplements so you know what’s worth your money and what isn’t.
Plus, why you have more in common with mushrooms than you think.

And here’s the usual awful joke:

Why did the fibre supplement start a blog?

To maintain his regular updates.

References:

1. Effects of creatine on cognitive functioning

2. Vitamin D study

3. Magnesium sleep study

4. L-glutamine IBS

5. Mushrooms and sunlight

6. Benefits of fibre

7. More benefits o fibre

8. Fibre and blood lipids

9. Fibre and T2D

#DrKaran #MedicalScience #HealthEducation #HealthTips

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Timestamps
0:00 Intro
0:55 Detox teas
1:28 Ketone supplements
2:02 Alkaline water
2:22 L-Glutamine
3:01 Berberine
3:38 Multivitamins
5:16 Omega-3
7:26 Electrolytes
8:50 Vitamin D
10:40 Why you are like a mushroom
11:35 Magnesium
13:32 Protein powder
15:13 Creatine
16:34 Fiber

About Dr Karan:
Dr. Karan Rajan is a doctor, author, and educator dedicated to making health and medical science accessible to all. Through evidence-based analysis, he addresses topics such as gut health, brain health, and healthy lifestyle choices, while dispelling common medical myths with a touch of dark humor. His content provides reliable, research-driven insights designed to inform and empower viewers to better understand their health.

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Doctor Ranks Every Supplement: Worst To Best | Dr Karan

5 Comments

  1. To avoid any confusion about vitamin D: yes it’s important and plays numerous roles in the human body BUT its benefit is only seen when those DEFICIENT take them. If you have normal vitamin D levels, supplemental vitamin D will not provide additional benefit.

    In fact there’s lots of controversy regarding the normal reference ranges with Vit D in blood tests and the assumption that the majority of people are vitamin d deficient!

  2. I grew up in South America, moved to the UK a decade ago, my skin is brown. Did I get a vitamin deficiency when I moved here? Absolutely. I still sceptical but blood test always show deficiencies – a walk in London is 65% cloudy unfortunately.

  4. I drink allot of water but I just piss it out my body does not absorb it , are alectrolites good ?

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