Question 1

What is the difference between Selenium and Vitamin B12?

Accepted Answer

Selenium is classified as a Essential nutrient, Neuroprotective, Thyroid support (Metalloid, Essential trace element) while Vitamin B12 is classified as a Essential nutrient, Neuroprotective (Corrinoid, Cobalt-containing organometallic compound). They share 0 effects in common, with 2 effects unique to Selenium and 2 unique to Vitamin B12.

Question 2

Is it safe to combine Selenium and Vitamin B12?

Accepted Answer

There is no direct interaction data available for combining Selenium and Vitamin B12. This does not mean the combination is safe. Always exercise caution and research thoroughly.

Question 3

Which is stronger, Selenium or Vitamin B12?

Accepted Answer

At common doses via oral, Selenium is typically dosed at 55–200 mcg while Vitamin B12 is dosed at 500–1000 mcg. However, "stronger" depends on context — potency, subjective intensity, and duration all factor in. These substances have different pharmacological profiles and comparing raw potency is not straightforward.

	Selenium	Vitamin B12
Class	Essential nutrient, Neuroprotective, Thyroid support	Essential nutrient, Neuroprotective
Common Dose (oral)	55–200 mcg	500–1000 mcg
Total Duration	1.2–4.8 hrs	1.2–4.8 hrs
Routes	Oral	Oral

Level	Selenium	Vitamin B12
Threshold	15 mcg	60 mcg
Light	25–55 mcg	100–500 mcg
Common	55–200 mcg	500–1000 mcg
Strong	200–400 mcg	1000–2500 mcg
Heavy	600 mcg	5000 mcg

SeleniumvsVitamin B12

At a Glance

Dosage

oral

Duration

oral

Oral

Oral

Effects

Unique to Selenium2

Unique to Vitamin B122

Safety

Interaction: Selenium + Vitamin B12

Selenium — Dangerous Interactions

Vitamin B12 — Dangerous Interactions

Frequently Asked Questions