How to unlock vitamin C’s cancer-fighting potential

There’s a lot of controversy over what vitamin C can do for your health…

Some say it can help you fend off a cold. Others say it can’t. Some say it helps you overcome cancer. Others say it can’t. But it turns out, in both cases, there is one factor that majorly influences whether vitamin C works or not…

The dosage.

When researchers give people modest doses of vitamin C to treat their cold, it helps a little… but not that much. However, when they give people high doses, it has a much stronger effect. And the same might be true for cancer — but with an additional catch…

Studies in the 1970s provided evidence that high doses could help people overcome cancer. The only problem was, it helped in some studies but not in others. The results were inconsistent enough that after a while, researchers just kind of gave up on vitamin C as a cancer therapy.

But there’s been a big interest in it again lately. And as a result, researchers may have finally figured out why large doses of the vitamin help cancer outcomes in some cases and not others…

It’s all in the dose and the delivery

In early studies on vitamins and cancer, researchers gave high doses of vitamin C to study participants orally. That wasn’t the wisest approach. Here’s why…

The gut can’t absorb high doses of vitamin C which means people in these studies weren’t receiving full doses. What’s the alternative to oral doses?

Vitamin C injections straight into the bloodstream. And Italian researchers recently decided to try this exact approach on mice…

They gave mice prone to cancer high doses through injections. Some of the mice received it in conjunction with the cancer treatment immunotherapy. Others just received the vitamin C. Here’s what happened…

Mice who just received the vitamin C had delayed tumor growth. That’s good. But mice who received the vitamin C in conjunction with immunotherapy had seriously impressive results…

This combo slowed or stopped the growth of melanoma, colorectal, pancreatic and breast cancer tumors. It even caused some breast cancer tumors to disappear completely. Why does this vitamin help in the fight against cancer?

Researchers confirmed that it‘s anti-cancer benefits come from its ability to support T cells. It also boosted the effectiveness of PD-1 and CTLA-4 checkpoint antibodies, which help regulate immune responses.

Hopefully, these results in mice will translate to humans. But even if they do, researchers say there’s still a major hurdle to overcome when it comes to using vitamin C to treat cancer in humans…

The need for massive doses and the potential for side effects

In the study, researchers gave mice an amount of vitamin C that would be equivalent to them eating one orange per day. An equal dose in humans would be like eating 2,000 oranges per day.

That’s a lot. And as a result, there could be side effects. But they need to perform studies in people to know for sure what those side effects might be. Luckily, they already have plans to conduct a clinical trial in advanced cancer patients. These patients will receive increasing doses of the vitamin and immunotherapy. Fingers crossed they have the same level of success without bad side effects.

For cancer protection, turn to a diet rich in whole foods (and vitamin C)

While I’m not going to tell you to stock up on vitamin C to protect yourself from cancer quite yet, I will tell you to eat plenty of vitamin C-rich foods, along with other healthy, whole foods to decrease your odds significantly.

Study after study shows what you eat (or don’t eat) makes a big difference in your likelihood of getting cancer. There are different types of dietary approaches that seem to work (although, they all seem to have a few things in common, like eating lots of fruits and veggies).

Among all the cancer-fighting diets out there, the Mediterranean diet seems to have the most scientific support. In fact, eating the Mediterranean diet can decrease breast cancer risk by as much as 40 percent. If you don’t already know what’s included in the Mediterranean diet, here’s a quick list:

  • Veggies, nuts, lentils, and beans
  • Fish and poultry
  • Healthy fats
  • Herbs and spices
  • Whole grains
  • Red meat (sparingly)
  • Red wine (one glass with dinner)

If going full-scale Mediterranean sounds intimidating, start by making three changes: Eat more fruit, more fish and less sugary drinks. Why? One recent study found that these three simple changes can reduce your risk of colon cancer.



Editor’s note: I bet you’ve never heard of the forbidden fruit that programs cancer cells to self-destruct… or the natural “Pac-Man enzyme” that eats cancer cells alive… am I right? That’s because most doctors are afraid to talk about them, even though these are cancer therapies approved by other governments. To discover these and other cancer-fighting secrets hiding in plain sight—click here! 



Sources:

  1. High doses of vitamin C found to enhance immunotherapy in combating cancer in mice — MedicalXpress
  2. High-dose vitamin C enhances cancer immunotherapy — Science Translational Medicine

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