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10 Weird Signs You're Not Getting Enough Nutrients

author image Sylvie Tremblay, MSc
Sylvie Tremblay holds a Master of Science in molecular and cellular biology and has years of experience as a cancer researcher and neuroscientist. Based in Ontario, Canada, Tremblay is an experienced journalist and blogger specializing in nutrition, fitness, lifestyle, health and biotechnology, as well as real estate, agriculture and clean tech.

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10 Weird Signs You're Not Getting Enough Nutrients
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While the effects of some nutrient deficiencies might sneak up on you — the fatigue that gets steadily worse or the muscle cramp that shows up more regularly — some of them can be seen right in the mirror. A healthy diet not only supplies energy, but it also provides nutrients that are essential for healthy cell turnover. So it makes sense that nutrient deficiencies can wreak havoc on your skin, nails, hair and even gums. If you’re struggling with one of these 10 telltale signs, get yourself straight to a doctor. A medical exam can give you a clear diagnosis and help you get your diet back on track. And remember to check with your doctor before taking any supplements.

1. Dry, Parched Skin
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1 Dry, Parched Skin

Sure, dry skin, especially in colder weather, may not be all that uncommon. But if your skin is feeling flakier than usual, a lack of healthy omega-3 fatty acids in your diet may be to blame. Omega-3s help nourish your skin’s lipid barrier, the layer of oils that keeps harmful germs and toxins out and essential moisture in, explains Kelly Franckowiak, registered dietician with Kaiser Permanente in Atlanta. Without a sufficient amount of omega-3s your skin loses moisture, which can lead to an unpleasantly scaly texture. You may even notice more wrinkles and visible aging due to skin dehydration. Avoid developing an omega-3 fatty acid deficiency by eating a diet rich in essential fatty acids. These foods include fatty fish, such as salmon and sardines, along with walnuts, flaxseed and chia seeds.

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2. A Pale Complexion
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2 A Pale Complexion

A sallow, unhealthily pale complexion may signal that something is going on with your iron levels. “Iron deficiency causes red blood cells to be smaller, fewer and filled with less hemoglobin, which makes them less red,” says Kaleigh McMordie, a registered dietitian nutritionist based in Texas. The result is paler skin that’s most noticeable on the linings of your eyelids and your mucus membranes (for instance, the tissues inside your mouth). Iron deficiencies need to be checked out by a doctor, but you can up your iron intake with lentils, beef, spinach and iron-fortified cereals.

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3. Cracked and Sore Lips
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3 Cracked and Sore Lips

Need the occasional swipe of lip balm? Not an issue. But seriously cracked and sore lips might indicate you have a riboflavin deficiency. “A riboflavin deficiency can cause cracking at the corners of the mouth and dryness around the outside of the lips,” says McMordie. “It will usually be accompanied by a swollen, dark-red tongue and swollen mouth.” Riboflavin deficiency can turn more serious if it’s left untreated. It can sometimes cause nerve damage that can lead to tingling in your fingers or toes. Have these symptoms checked out as soon as possible to address the deficiency in its earliest stages. And, in the meantime, include more riboflavin in your diet by consuming almonds, salmon, broccoli, cheddar cheese and eggs.

4. Stubborn Acne
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4 Stubborn Acne

While no single food can unilaterally cause acne (old rumors about chocolate and pizza causing breakouts have been thoroughly debunked), some nutrient deficiencies might make breakouts more frequent or more severe. Omega-3 fatty acids have powerful anti-inflammatory properties, explains North Carolina-based registered dietitian nutritionist Colleen S. Bucher. If you’re lacking omega-3s, you might notice more inflammation overall, which can manifest as acne. Omega-3s’ role in maintaining your skin’s lipid barrier comes into play too. Your skin’s natural oils have antimicrobial properties, and an omega-3 fatty acid deficiency that disrupts your lipid barrier may let acne-causing bacteria in.

Read more: The Top 8 Foods for Clear, Healthy Skin

5. Wounds That Just Won't Heal
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5 Wounds That Just Won't Heal

Cuts and scrapes don’t generally heal overnight, but missing nutrients in your diet can mean that even the tiniest razor cut seems to stick around forever. Slow wound healing might signal that you need more protein in your diet. Protein is essential for building and repairing tissue. “Aim for 20 to 30 grams of protein at each meal,” says Franckowiak, “and 10 to 15 grams of protein with each snack.” Drink a glass of milk with dinner, add beans to your salads or top your apples with peanut butter for some extra protein. You should also eat plenty of fruits and veggies for vitamin C because low levels of this nutrient can slow healing (and, in severe cases, even reopen old wounds). Strawberries, red peppers and grapefruit are some of the best sources.

6. Bleeding Gums
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6 Bleeding Gums

For most people, a little blood on your toothbrush most likely means you need to floss more often. But if you’re a devoted flosser and your gums start bleeding for no apparent reason, you might be dealing with a vitamin K deficiency. “Vitamin K is best known for its role in helping blood clot, or coagulate,” explains Franckowiak. It sets off a cascade that activates pro-clotting factors in your blood, which help you stop bleeding after a cut and also prevent spontaneous bleeding from delicate tissues like your gums. Vitamin K deficiency is generally pretty rare, so check with your doctor and dentist to investigate the cause of your bleeding. But you can get plenty of this nutrient from dark, leafy green veggies, including Brussels sprouts and kale.

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7. Brittle Nails
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7 Brittle Nails

If you’re constantly dealing with painful hangnails and nail breaks, your diet might be low in biotin. Biotin nourishes your nails’ growth plates, explains Bucher. Disrupting your growth plates, not surprisingly, leads to irregular growth, instead of the thick, strong nails you’d like. Getting more biotin helps your nails grow stronger — one study even found that biotin supplementation boosted nail thickness by as much as 25 percent. Eat eggs, nuts and whole grains to boost your intake of this nutrient and give yourself tough-as-nails nails.

8. Misshapen or Discolored Nails
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8 Misshapen or Discolored Nails

While weak nails are annoying, other nutrient deficiencies can make your nails look a little, well, weird. Low iron levels can lead to whitened or ridged nails, explains Bucher, and can even cause concave and spoon-like nails. A biotin deficiency ups your risk of fungal infections that can cause ridging and discoloration, while a vitamin B-12 deficiency can make your nails take on a brownish hue. See a doctor if you’re noticing abnormalities in your nails; you might need medical treatment to clear an infection or correct the deficiency.

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9. Thinning Hair
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9 Thinning Hair

How well you eat ends up reflected in the health of your hair. While losing some strands is normal (we lose between 50 and 100 hairs daily), noticeable thinning of your hair may not be. “Protein and vitamin C deficiencies can cause thinning or brittle hair and hair that falls out easily,” says McMordie. That’s because vitamin C helps you make collagen — one of the building blocks of healthy hair and a strong hair follicle — while protein supplies amino acids for collagen (and other protein) synthesis. Biotin might also play a role: A recent study found that nearly four in 10 women who reported suffering hair loss had a biotin deficiency, though the study authors caution that more research is needed to learn more about this link.

10. Premature Graying
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10 Premature Graying

On top of changing your hair texture, certain nutrient deficiencies can make you go gray. Copper helps you create melanin, one of the pigments that gives your hair its color. Low copper levels — or an underlying medical issue that prevents you from metabolizing copper properly — can turn your hair gray, says McMordie. Low vitamin D levels might also trigger premature graying: A recent study found that low vitamin D levels were associated with graying that starts as early as childhood. Snack on almonds or hazelnuts for copper and drink fortified dairy products (or fortified milk alternatives) for vitamin D.

What Do YOU Think?
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What Do YOU Think?

Are you struggling with any of these symptoms? Did any of these signs of nutrient deficiencies surprise you? What other nutrient deficiencies have you or your friends and family experienced? Share your thoughts in the comments!

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