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    Chromium is a blue-white metallic element discovered naturally just in mix and used particularly in alloys and in electroplating. [1]


    Chromium was found by louis-nicholas vauquelin while try out a material referred to as siberian red lead, likewise referred to as the mineral crocoite (pbcro4), in 1797. He produced chromium oxide (cro3) by blending crocoite with hydrochloric acid (hcl). Although he believed a method for separating chromium didn’t yet exist, vauquelin was pleasantly amazed in 1798 to find that he was able to obtain metal chromium by simply warming chromium oxide in a charcoal oven. Today, chromium is mainly gotten by heating up the mineral chromite (fecr2o4) in the presence of aluminum or silicon.

    Chromium is a blue-white metal that is hard, fragile and extremely deterioration resistant. Chromium can be polished to form a really glossy surface area and is typically plated to other metals to form a protective and appealing covering. Chromium is contributed to steel to solidify it and to form stainless steel, a steel alloy that contains a minimum of 10% chromium. Other chromium-steel alloys are utilized to make armor plate, safes, ball bearings and cutting tools.

    Chromium forms numerous vibrant compounds that have commercial usages. Lead chromate (pbcro4), also called chrome yellow, has been used as a yellow pigment in paints. Chromic oxide (cr2o3), likewise called chrome green, is the ninth most plentiful compound in the earth’s crust and is an extensively utilized green pigment. Rubies and emeralds likewise owe their colors to chromium substances. Potassium dichromate (k2cr2o7) is utilized in the tanning of leather while other chromium compounds are utilized as mordants, materials which completely repair dyes to fabrics. Chromium substances are also used to anodize aluminum, a process which coats aluminum with a thick, protective layer of oxide. Chromite, chromium’s main ore, is used to make molds for the firing of bricks because of its high melting point, moderate thermal expansion and stable crystal structure.

    • Estimated crustal abundance: 1.02 × 102 milligrams per kilogram
    • Estimated oceanic abundance: 3 × 10-4 milligrams per liter
    • Number of steady isotopes: 3 (view all isotope data)
    • Ionization energy: 6.767 ev
    • Oxidation states: +6, +3, +2 [2]

    Natural abundance

    Chromium is discovered primarily in chromite. This ore is discovered in many locations including south africa, india, kazakhstan and turkey. Chromium metal is generally produced by reducing chromite with carbon in an electric-arc heating system, or decreasing chromium( iii) oxide with aluminium or silicon. [3]


    It may enhance blood glucose

    In healthy people, the hormonal agent insulin has an essential role in signifying the body to bring blood sugar into the cells of the body.

    In individuals with diabetes, there are issues with the body’s normal reaction to insulin.

    A number of research studies have indicated that taking chromium supplements can improve blood sugar for those with diabetes.

    One study discovered that 16 weeks of 200 μg/ day of chromium was able to lower blood sugar and insulin while improving the body’s response to insulin.

    Other research has actually shown that those with greater blood sugar and lower insulin sensitivity might respond much better to chromium supplements.

    Furthermore, in a large research study of over 62,000 adults, the likelihood of having diabetes was 27% lower in those who took dietary supplements consisting of chromium.

    However, other research studies of three or more months of chromium supplements have actually disappointed enhanced blood glucose in grownups with type 2 diabetes.

    What’s more, research in obese adults without diabetes discovered that 1,000 μg/ day of chromium picolinate did not improve the body’s action to insulin.

    In fact, a large assessment of 425 healthy individuals discovered that chromium supplements did not change sugar or insulin levels.

    Overall, some advantages of taking these supplements have been seen in those with diabetes but not in every circumstances.


    For those with diabetes, chromium supplements may be effective at enhancing the body’s reaction to insulin or decreasing blood glucose. Nevertheless, the results have actually been combined, and these advantages have actually not typically been observed in those without diabetes.

    It may reduce hunger and yearnings

    Most people who have actually tried to reduce weight and keep it off are familiar with feelings of cravings and strong food cravings.

    As a result, many have an interest in foods, supplements or medications that could assist fight these urges.

    Numerous research studies have taken a look at whether chromium picolinate might be useful in this capability.

    In an 8-week research study, 1,000 μg/ day of chromium (in the form of chromium picolinate) decreased food intake, appetite and cravings in healthy obese ladies.

    The researchers reported that the results of chromium on the brain may have produced these effects.

    Other research has analyzed people with binge-eating disorder or depression, as these groups might possibly benefit the most from reducing cravings or cravings.

    An 8-week research study designated 113 individuals with anxiety to get either 600 μg/ day of chromium in the form of chromium picolinate or a placebo.

    The researchers discovered that appetite and yearnings were lowered with chromium picolinate supplements, compared to the placebo.

    Additionally, a small study observed possible advantages in individuals struggling with binge-eating condition.

    Particularly, doses of 600 to 1,000 μg/ day may have caused decreases in the frequency of binge consuming episodes and symptoms of anxiety.


    Although limited evidence is readily available, some reports indicate that 600 to 1,000 μg/ day of chromium picolinate might help reduce hunger, yearnings and binge eating in some individuals.

    Does it assist you reduce weight?

    Due to chromium’s role in nutrient metabolic process and possible effects on consuming behavior, a number of studies have actually analyzed whether it is an efficient weight reduction supplement.

    One big analysis looked at 9 different research studies including 622 obese or overweight individuals to get a complete photo of whether this mineral is useful for weight loss.

    Dosages of approximately 1,000 μg/ day of chromium picolinate were utilized in these studies.

    In general, this research study discovered that chromium picolinate produced really small amounts of weight reduction (2.4 pounds or 1.1 kg) after 12 to 16 weeks in overweight or overweight adults.

    Nevertheless, the scientists concluded that the impact of this amount of weight loss was doubtful and that the effectiveness of the supplement was still unclear.

    Another extensive analysis of available research study on chromium and weight reduction concerned a similar conclusion.

    After evaluating 11 different research studies, the scientists discovered weight-loss of just 1.1 pounds (0.5 kg) with 8 to 26 weeks of chromium supplementation.

    Numerous other studies in healthy adults have actually shown no result of this supplement on body structure (body fat and lean mass), even when combined with exercise.


    Based on present proof, chromium picolinate is ineffective at producing meaningful weight reduction in obese or overweight people. It seems even less efficient in normal-weight individuals, even when combined with workout.

    Food sources

    Although chromium picolinate is normally found in dietary supplements, numerous foods include the mineral chromium.

    However, it is necessary to note that the agricultural and the manufacturing processes affect how much chromium is in foods.

    Because of this, the actual chromium material of a specific food can differ, and there is no dependable database of the chromium content of foods. Additionally, while several foods include this mineral, a lot of include extremely small amounts (1– 2 μg per serving).

    In the united states, the suggested dietary referral consumption (dri) of chromium is 35 μg/ day for adult guys and 25 μg/ day for adult women.

    After the age of 50, the recommended intake decreases a little to 30 μg/ day for males and 20 μg/ day for women.

    Yet it is necessary to note that these suggestions were established utilizing price quotes of typical intakes in specific populations. Because of this, they are relatively tentative.

    Regardless of the uncertainty of the true chromium content of most foods and the tentative consumption recommendations, chromium shortage seems extremely uncommon.

    In general, meat, whole-grain products and some fruits and vegetables are considered excellent sources of chromium.

    Some research study has actually reported that broccoli is high in chromium, with around 11 μg per 1/2 cup, while oranges and apples may consist of around 6 μg per serving.

    Overall, taking in a well balanced diet plan including a range of minimally processed foods may help you meet your chromium requirements.


    Both the true chromium material of foods and the suggested consumption of this mineral are tentative. However, chromium is discovered in low levels in several foods, and deficiency is unusual.

    Should you take chromium supplements?

    Due to the important roles of chromium in the body, many have actually wondered if consuming extra chromium as a dietary supplement is a good health strategy.

    There is not a specific ceiling for chromium.

    Numerous studies have actually analyzed the results of chromium on blood glucose control and weight loss.

    Nevertheless, in addition to taking a look at potential benefits of a particular nutrient, it is also important to consider whether there are any threats to taking in excessive.

    The national academy of medication frequently sets a bearable upper intake level (ul) for particular nutrients. Exceeding this level may result in toxicity or other health problems.

    Nevertheless, due to minimal readily available information, no ul has been set for chromium (20 ).

    Security of chromium picolinate

    Regardless of the lack of an official ul, some scientists have actually questioned whether chromium picolinate, the type of the mineral typically found in supplements, is actually safe.

    Based on how this kind of chromium is processed in the body, harmful particles called hydroxyl radicals might be produced.

    These molecules can damage your genetic product (dna) and cause other issues.

    Interestingly, although picolinate is a preferred kind of chromium supplement, these unfavorable impacts in the body may only happen when this type is consumed.

    In addition to these concerns, a case study reported major kidney issues in a woman who took 1,200 to 2,400 μg/ day of chromium picolinate for the function of weight-loss.

    Other isolated health problems have been associated with the consumption of this supplement. [4]

    How can chromium help with weight reduction?

    There are people who exercise and see little to no results. Your exercise program might not be the cause. There may be a much deeper cause at the cellular level.

    One typical issue is insulin resistance. Insulin resistance can cause a prediabetic state and ultimately type two diabetes. Among the significant causes is the absence of chromium in the diet.

    A healthy diet plan always accompanies an exercise program. It is excellent to be healthy. More notably, it is vital to provide the nutrients your body needs.

    When the body has the right dietary balance, it can perform at ideal levels. Great fuel helps to fix the muscles. It can also decrease hunger. Getting the appropriate nutrients might trigger the body to stop looking for food to fill deep space.

    Chromium is one of the important nutrients that the body needs. Consuming healthy food is good. It is pointless if the body is not able to use it for energy. Chromium has a particular job to do with this procedure.

    When we consume our digestive system turns the food into glucose. The glucose is the primary fuel source of every cell in our bodies. Once it is broken down, it is then sent out into the bloodstream to feed our cells.

    The pancreas produces insulin to assist the cells take in the glucose. The job of insulin is to get the glucose out of the bloodstream inside the cell. More glucose in the bloodstream increases the quantity of insulin needed to process it. Insulin spikes occur whenever we consume to control the amount of glucose in our flowing through the blood.

    Too much glucose in the blood can trigger damage to the blood vessels. It causes oxidative tension. This type of damage might lead to atherosclerosis. It is the reason that individuals with diabetes are at an increased risk of cardiovascular disease and stroke.

    Excess circulatory glucose might likewise damage nerves. It is the factor that individuals with unrestrained diabetes experiences neuropathy. The glucose cuts off the ability nerves’ ability to send out signals.

    Insulin and chromium work with other aspects to prevent such damage. They both must function appropriately to prevent the destruction that totally free glucose may cause. They depend on each other to get the job done.

    Once the glucose lines up with a cell, it waits to go into. The insulin comes along and opens the door so that the glucose can get in. It is at this moment that chromium goes to work.

    Chromium binds to the glucose transporter and presses the glucose into the door. If there is no chromium or not enough in the body, the glucose just continues to sit at the door. It floats around the bloodstream waiting to get in. The body will eventually downgrade the receptor.

    When more food is consumed, more glucose is made. The issue is compounded. The body thinks it does not have sufficient insulin to open the door for the glucose. The pancreas gets the signal. It makes more.

    The boost of insulin in the blood stream sends a signal that increases the requirement for more glucose. The individual yearns for sugar to correct the balance. When more sugar is consumed, more insulin is produced.

    It is a vicious circle. Insulin resistance is a consistent problem with little to no signs. It may take a very long time before the person knows there is an issue.

    The excess insulin in the body performs another job. If the amount of glucose is not minimized by its existence, insulin instructs the body to save it as fat. It is insulin that keeps watch over the fat storage and signals when to release it.

    The correct quantity of chromium in the body might avoid this vicious cycle from the beginning. If chromium were available, then the insulin would open the door and chromium would help in escorting it inside. There the glucose would sustain the cells the way it was developed.

    The insulin would decrease in the blood stream due to the fact that the glucose level would hang back to typical. The yearning for sugar and carbohydrates would subside, and weight-loss might take place. [5]

    Just how much chromium do our bodies routinely need?

    The sufficient consumption (ai) of chromium, or the recommended level that healthy people need to consume on average, ranges from about 20 to 45 micrograms (mcg) daily for grownups, keeps in mind torey armul, rd, a representative for the academy of nutrition and dietetics. “but there’s insufficient recognized research study to set a recommended daily allowance for it,” she says. The daily ai for chromium, which is determined by the national academies of sciences, engineering, and medication, varies, depending upon age and gender.

    • Babies ages 0 to 13 months: 2 to 5.5 mcg (micrograms)
    • Children ages 1 to 3 years: 11 mcg
    • Kids ages 4 to 8 years: 15 mcg
    • Kids ages 9 to 18 years: 25 to 35 mcg
    • Girls ages 9 to 18 years: 21 to 24 mcg
    • Men 19 to 50 years: 35 mcg
    • Women 19 to 50 years: 25 mcg
    • Men over 50: 30 mcg
    • Ladies over 50: 20 mcg

    According to the national institutes of health, adult ladies, typically, take in 23 to 29 mcg of chromium a day, which generally satisfies their ai. Nevertheless, if you’re pregnant or breastfeeding, your average consumption of chromium ought to be in between 30 and 45 mcg a day. Adult males, on the other hand, get more than their ai for this nutrient, balancing 39 to 54 mcg a day.

    Excessive chromium (more than 40 mcg a day) isn’t essential– the body can’t process it effectively. “with dietary intakes at this higher level, chromium absorption plateaus and urinary excretion increases,” says majumdar. Excretion of the mineral also goes up with exhausting workout, the existence of infection, pregnancy, lactation, and with an increase in the intake of easy sugars, she adds.

    In the same way that insufficient proof avoids the setting of a suggested dietary allowance for this nutrient, there isn’t a bearable ceiling (ul) for chromium, reports king. In fact, there are couple of adverse effects connected to high chromium intakes, includes armul. “chromium toxicity tends to be quite unusual amongst those taking it and any associated threats are seen in commercial settings,” discusses king. Chromium is found in both a biologic form in food (trivalent or chromium 3+) and hexavalent (chromium 6+), which is the toxic version produced by industrial contamination.

    What are the symptoms of chromium shortage?

    Taking in insufficient chromium can result in a range of symptoms, consisting of some that mimic those of diabetes, such as weight-loss, impaired glucose tolerance, neuropathy, anxiety, fatigue and muscle weak point, describes majumdar. Fortunately, chromium shortage is really uncommon and has mostly been recorded in individuals who are fed through dietary assistance. To resolve this deficiency, chromium has actually been added to intravenous (iv) solutions, she adds.

    ” there’s some idea that the senior might need more chromium in their day-to-day diet plans, however presently this is just a hypothesis,” states king. It’s difficult to determine who might be at threat for too little chromium as there isn’t a reliable lab test of biochemical markers that measure the body’s stores. “it’s tough to determine this mineral in individuals due to the fact that blood levels aren’t reflective of true quantities considering that the body has its own chromium storage,” says majumdar. Chromium is saved in the liver, spleen, soft tissue, and bones. (1 ).

    Foods that are naturally abundant in chromium

    The primary reason chromium shortage is so uncommon is that this nutrient is discovered in an abundance of fruits, vegetables, grains, and meat– and even in white wine. Good sources of chromium include broccoli, green beans, potatoes, apples, bananas, whole grains, peas, cheese, corn, grapes, beef, and poultry. “you can also get chromium from garlic, basil, turkey, sweet potatoes, english muffins, and waffles,” keeps in mind king. For the most focused food source of chromium, want to brewer’s yeast (1 tablespoon contains as much as 60 mcg), adds majumdar.

    Diets that are high in simple sugars– in which simple sugars comprise more than 35 percent of calorie intake– can reduce absorption of chromium. Due to the fact that the absorption of chromium from the intestinal tracts is small, you might attempt to enhance this procedure by targeting the way you eat. Fruits and vegetables with vitamin c and niacin, a b vitamin discovered in meat, poultry, fish, and grains, can improve chromium absorption. [6]

    Chromium adverse effects

    Chromium is likely safe for short-term oral supplementation in an everyday dosage of approximately 1,000 mcg (1 mg). Possible side effects are mild and consist of:.

    1. Headaches
    2. Sleep disruptions
    3. Irritability and state of mind modifications

    It is safe children and pregnant women in the amounts typically present in food. Supplements with higher amounts might likewise be safe in these sensitive groups, however they must use them under stringent medical supervision. [7]
    There are couple of recognized adverse effects of chromium supplements. In reasonable dosages, there does not appear to be any issue for major adverse effects.

    However, there have been isolated reports of unfavorable side effects when chromium is taken in large dosages. Diarrhea, headaches, hives, and vertigo, have been shown to take place when the supplement is taken in doses of in between 1,200 and 2,400 micrograms (mcg) daily for 4 months. [8]

    Special preventative measures and cautions

    Pregnancy: chromium is most likely safe when taken by mouth in amounts that do not exceed adequate consumption (ai) levels. The ai for those 14-18 years old is 28 mcg daily. For those 19-50 years old, it is 30 mcg daily. Chromium is possibly safe to use in quantities higher than the ai levels while pregnant. However do not take chromium supplements during pregnancy unless advised to do so by a doctor.

    Breast-feeding: chromium is most likely safe when taken by mouth in amounts that do not exceed ai levels. The ai for those 14-18 years of ages is 44 mcg daily. For those 19-50 years old, it is 45 mcg daily. There isn’t sufficient trustworthy info to know if taking greater quantities of chromium is safe when breast-feeding. Remain on the safe side and stick to amounts listed below the ai.

    Children: chromium is most likely safe when taken by mouth in quantities that don’t exceed ai levels. For those 0-6 months old, it is 0.2 mcg; for those 7-12 months old, it is 5.5 mcg; for those 1-3 years of ages, it is 11 mcg; for those 4-8 years old, it is 15 mcg. For males 9-13 years old, it is 25 mcg; for males 14-18 years of ages, it is 35 mcg. For women 9-13 years of ages, it is 21 mcg; for females 14-18 years of ages, it is 24 mcg. Taking chromium in amounts above the ai level is perhaps safe for many kids.

    Behavioral or psychiatric conditions such as depression, anxiety, or schizophrenia: chromium might affect brain chemistry and may make behavioral or psychiatric conditions worse. [9]


    Chromium is an important mineral, consumed through the diet. It is found in trace amounts in plant items, particularly grains.

    Chromium controls insulin in the body. It is sometimes supplemented to improve insulin action in the body.

    When chromium is supplemented by individuals with typical or raised chromium levels, no trusted result is accomplished. Besides a moderate reduction in fasting glucose, no diabetes-related biomarkers are improved.

    People with a subclinical chromium deficiency (listed below optimum, but not a true shortage) might experience advantages when supplementing chromium, however more research study is required to validate this effect. True chromium deficiencies, characterized by non-active chromodulin, are unusual.

    Chromium’s main system is straight tied to chromodulin. Chromodulin, a protein, generally augments the signaling of insulin receptors. If this protein suffers, insulin’s capability to operate in the body is significantly decreased.

    Though chromium supplements is not effective for diabetics, taking chromium alongside a tested therapy may assist combat anxiety and the snacking connected with binge eating. Further research is needed to determine chromium’s specific system during these impacts. [10]


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