The common but powerful vitamins that slow brain shrinkage

For years, mainstream medicine has completely ignored the powerful effect B vitamins can have on the brain.

In fact, if you follow the U.S. government’s recommended daily allowances for B vitamins, you’re not getting nearly enough to improve your cognitive health.

In Dr. Marc Micozzi view, this is completely ridiculous, given the amount of research that supports B vitamins.

For instance, in his Complete Alzheimer’s Prevention & Repair Protocol, Dr. Micozzi cites a remarkable study that shows the powerful benefits B vitamins can have on your cognitive health…

Researchers at Washington University in St. Louis recruited patients with confirmed atrophy in brain regions most commonly associated with Alzheimer’s disease.

After two years, the participants—who were given B vitamin supplements—showed a marked slowdown in brain shrinkage compared to those who didn’t take supplements.

The researchers considered this treatment “high-dose” B-vitamin therapy. But as it turns out, the participants took less than 0.5 mg of B12, 0.8 mg of folic acid, and just 20 mg of B6.

And as Dr. Micozzi notes, these amounts are nowhere near a “high dose.”

He says, “I’m sure that to the quasi-government bureaucrats who design the ridiculous Recommended Daily Allowances, these amounts might sound high. But no real nutritional expert would consider these minuscule amounts ‘high doses’ of B vitamins.

“But, despite being so small, these doses of B vitamins reduced shrinkage by seven times in brain regions vulnerable to Alzheimer’s disease.” So just imagine the effect optimal doses could have.

But how, exactly, do B vitamins improve brain health? Let me explain…

The hidden toxin that poisons your brain

One of the primary ways B vitamins protect your brain is by regulating an amino acid called homocysteine.

At normal levels, homocysteine isn’t dangerous. But at elevated levels, it’s downright toxic to your brain.

In a New England Journal of Medicine study, researchers reported that a homocysteine level greater than 14 micromoles per liter nearly doubled Alzheimer’s risk.

But B vitamins have proven to be an antidote to homocysteine’s toxic effect.

In fact, in another study that included nearly 70 patients with high homocysteine and cognitive impairment, researchers tested supplements of vitamins B9 and B12.

In those who took the supplements, atrophy rate of the hippocampus (the brain area responsible for memory and emotion) was four times slower than the control group.

So how much B vitamins does your brain need? Dr. Micozzi lays out his recommendations…

Even if you eat healthy, supplements are a must

“First,” Dr. Micozzi says, “make sure to eat a healthy diet filled with wild salmon, chicken, beef, and green, leafy vegetables. Also, don’t shy away from eggs, as they contain good amounts of biotin, vitamin B2, and vitamin B12.”

But in Dr. Micozzi’s view, it’s difficult to get all your nutritional needs from diet alone. This is due to modern agricultural methods that have reduced the nutritional quality of natural foods, like produce and meats. So even if you strive to follow a healthy diet, very often that’s not enough.

That’s why Dr. Micozzi advises everyone to take a high-quality B-complex supplement daily at these doses:

  • Thiamine (B1): 50 mg
  • Riboflavin (B2): 50 mg
  • Pantothenic acid (B5): 50 mg
  • Niacin/niacinamide (B6): 50 mg
  • Biotin (B7): 100 micrograms
  • Folic acid/folate (B9): 200 micrograms
  • Cobalamin (B12): 12 micrograms

In addition to the full complement of B vitamins, you can find much more information about 15 other dementia-fighting nutrients that Dr. Micozzi highly recommends in his Complete Alzheimer’s Prevention & Repair Protocol.

Click here to enroll today, or to learn more about this comprehensive program to enhance and preserve your cognitive health.


“Role of homocysteine in the development of cardiovascular disease” Nutrition Journal 2015; Published online 2015 Jan 10. doi: 10.1186/1475-2891-14-6

“Alzheimer’s disease: still a perplexing problem” BMJ 2014; 349: g4433. doi: