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Jarrow Formulas Methyl B-12 Review – 9 Things You Need to Know

By Sasha de Beausset Aparicio, MSc

Reviewed by Rebecca Williams, MD, MA, MB, BChir

Last Updated:

Evidence Based | Facts | What's Inside? | Health Benefits | Side Effects | Suggested Use | Verdict

Methyl B-12 by Jarrow Formulas is a dietary supplement that supports energy production and improves brain function. It contains Methylcobalamin (MeCbl), an activated form of vitamin B12, which according to some literature, has been used to treat Alzheimer’s disease, rheumatoid arthritis, and other disorders.

If you think you need a Methylcobalamin supplementation, read on to learn how this supplement can benefit your health.


1) Methyl B-12 Quick Facts

Methyl B-12 by Jarrow Formulas is a nutritional supplement containing Methylcobalamin (MeCbl), a biologically active coenzyme form of vitamin B12 used for bodily processes and to fight off deficiencies.

This supplement promises to support brain and nerve health, energy production, red blood cell production, and aid in normal bodily functions.

2) Who Makes Methyl B-12

This supplement is manufactured by Jarrow Formulas Inc, a nutritional supplement maker headquartered in Santa Fe Springs, CA. The company claims only to provide high-quality, effective, and inexpensive dietary supplement formulations to their patrons. They also claim to have long been recognized, thanks to their innovative formulations that have garnered industry awards for nearly two decades.

What’s Inside?

3) What’s Inside Methyl B-12?

This supplement’s main ingredient is Methyl B-12 or Methylcobalamin (MeCbl), an activated form of vitamin B12. This vital compound is used to treat some nutritional diseases and other diseases and is used as sports nutrition. It helps improve conditions like Alzheimer’s disease, rheumatoid arthritis, Bell’s palsy, and sleep-wake rhythm disorder.

Some literature highlights its capacity to protect neurons by encouraging nerve regeneration and improving visual function. Some studies have also mentioned its potential analgesic effect and its positive effect in inhibiting the neuropathic pain associated with diabetic neuropathy.

4) Is Methyl B-12 Right for You?

This supplement may be helpful for individuals looking to improve their health through Vitamin B12 supplement. This Methyl B-12 supplement may also help individuals who want to improve brain and nerve health, energy generation, and sleep-wake cycles.

Health Benefits

5) Methyl B-12 Health Benefits

  • It may promote healthy brain and nerve health and function.
  • It may support energy production.
  • It may promote better sleep-wake cycles.
  • It may support Homocysteine metabolism.
  • It may provide neurotransmitter and neuron support.
Side Effects

6) Methyl B-12 Side Effects

The manufacturer has not indicated any potential side effects. Some sources say that consuming Vitamin B complex in large dosages can cause nausea, skin flushing, elevated blood sugar, and liver damage. If any side effects occur, consult your healthcare provider.

It is also best to ask your doctor before taking this supplement to ensure it complements your health goals.

Where to Buy?

7) Where to Buy Methyl B-12?

The 100-capsule bottle of this supplement is available at the Jarrow Formulas official website for $12.50 and on Amazon for $12.90.

Suggested Use

8) Suggested Use

The manufacturer suggests dissolving in the mouth or chewing one tablet per day or as directed by your healthcare professional.


9) Our Final Take On Methyl B-12

Methyl B-12 by Jarrow Formulas is a dietary supplement that supports energy production, improves brain function, and provides an overall health boost. It is from the health supplement brand Jarrow Formulas with a long history of providing high-quality, effective, affordable, and superior formulations of dietary supplements.

Hence, Methyl B-12 by Jarrow Formulas may be a good option for individuals looking for a high-quality Methylcobalamin supplement.

2.8/5 - (9 votes)
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