Zinc is actually one of the most studied nutrients when it comes to fertility.
Much of the reason behind that statement most likely stem from the fact that zinc is an essential component of genetic material. This means that a deficiency in zinc can cause chromosomal changes in either partner which in turn causes reduced fertility and greater risk of miscarriage.
What is Zinc?
Zinc is basically an essential mineral that your body uses in all sorts of ways, and it is needed daily to replenish your body’s supply. It’s so essential that it’s found in every cell of our bodies.
- it helps in the production of DNA,
- assists in wound healing,
- is important for hormone production,
- boosts your immune system,
- helps in supporting the balance of our blood sugar levels because when we’re low or deficient in this mineral, our bodies insulin response slows and our blood sugar becomes harder to stabilize,
- it’s required in the production of hydrochloric acid in your stomach to digest and break down foods,
It also directly affects your fertility.
For women, zinc is important in helping your body utilize the reproductive hormones, oestrogen and progesterone. A deficiency can lead to hormone imbalance, abnormal ovarian development, and menstrual irregularity. When your body is low on zinc it also inhibits the metabolism of protein, which in turn can lower egg quality.
For a man, it can greatly impact the sperm count since zinc is found in high concentrations in the sperm. It is also needed to make the outer layer and the tail of the sperm. If a man is deficient in zinc, it can affect his sperm quality and quantity.
Unfortunately zinc is not stored in the body well so you must keep up a constant consumption of it. The best ways to get zinc naturally are to eat plenty of:
- beef, venison, and poultry
- whole grains
- whole fat dairy products
- seeds like sunflower and pumpkin
- molasses and maple syrup
The recommended daily allowance is only 11mg for men and 8mg for women, though these amounts may be to low to help boost fertility and may only work well for those who already have an ample supply of zinc.
For boosting fertility I’ve seen amounts anywhere from 25 mgs to 50 mgs per day. Although long term use above 40 mgs has also been shown to cause deficiencies in other minerals (like copper), so if you plan on taking large doses, I’d talk to your doctor or get tested to see if you have a deficiency first.
Gluten and Zinc
When I taped our podcast with Dr. Tom O’Bryan (an expert on gluten intolerance and how it affects reproduction), one of the things he said really made me think. You see…..I’ve often known that a gluten intolerance or celiac can affect a woman’s fertility and ability to carry a pregnancy, but I never thought to much about the male side of the coin.
He told me that when the villi in the intestines are worn down from a gluten intolerance, that zinc is the first nutrient we lose the ability to absorb.
Yup, just let that sink in a minute.
So if someone is intolerant to gluten, before it’s even noticed, before you have any symptoms, you start losing the ability to absorb zinc. And with zinc so high on the list for important nutrients for men, this has to have drastic consequences.
Testing for Zinc Deficiencies
One of the other things I learned from talking with Dr. O’Bryan was that there was a way to test for zinc deficiencies at home by using something called zinc talley.
This stuff is supposed to taste horrible.
But if you’re deficient in zinc, you won’t taste a thing!
How to test:
- Take about 1 tablespoon of the zinc talley liquid and swish in your mouth for 5 – 10 seconds. (you can then either spit it out or swallow it)
If you can’t taste anything, seems like it was just water, you have a zinc deficiency.
If you want to spit it out right away and it has a strong flavor, you have enough zinc in your system.
And of course, if you’re somewhere between those you can figure that the more you taste, the more zinc you have in your body. If you notice you’re deficient you can supplement with extra zinc and then test every once in a while to gauge your zinc levels.
While fertility issues are usually not attributed to just one thing, have you ever thought about zinc as a needed nutrient?
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