The liver is a complex organ that is responsible for multiple bodily processes. When people introduce too many supplements into their diet, their liver can become overwhelmed. The safety of these health supplements should be questioned, as everybody metabolises them differently. Health supplements are designed to address various health concerns that people may develop over the course of their lives. But if you consume too many at once, then your liver may become overburdened. From biotin for hair and skin health to iron supplements for increasing the dose of the vital vitamin in your body, you need to be careful about which supplements are needed. Most people gravitate towards brightly packaged health supplements that are marketed to address a common health concern. But do you really question whether the formulation can be digested and absorbed by your body naturally, or is it inflicting damage on your liver instead?

Why Supplements Aren't Always Risk-Free

The Journal of the International Society of Sports Nutrition suggests that health supplements are subjected to individual manufacturers' quality control measures. The product safety is subject to variation as per the enforcement of quality standards established by the Food and Drug Administration (FDA).

'Natural' health supplement branding doesn't always translate to any absence of risk. Health risks to liver toxicity and liver injury exist with its excessive use.

The liver is responsible for filtering many vitamins, herbs, and dietary compounds that you may consume. If you happen to consume too many at once, then liver health complications may happen.

How Your Liver Processes Vitamins And Supplements

The liver functions as a processing unit where vitamins from food sources, as well as any supplements, are filtered. The breakdown of these supplements is the differentiating factor, as the liver can readily store fat-soluble vitamins. When the liver is overwhelmed due to multiple supplements, then multiple health issues can arise. The chance of liver toxicity increases with relation to the dose and excessive nutrient intake.

Health supplements contain vitamins, minerals, herbs, botanicals, and other compounds that can create safety concerns. This becomes only evident when symptoms of supplement overdose become visible, so paying attention to your supplement intake is necessary.

Dr Ankur Jain, Gastroenterologist and Hepatologist at Max Healthcare in Delhi, explains, "Routine liver testing is one of the simplest ways to detect silent liver injury early." This is required for people who consume too many supplements and need a clear picture of their liver health.

Which Vitamins Are Most Likely To Cause Toxicity?

1. Vitamin A

A review published in the American Society of Nutrition highlights that vitamin A in excess can cause liver damage. Excess amounts of vitamin A are stored in the liver, but supplements are generally consumed for a prolonged period, which compounds the damage.

2. Vitamin D

The International Journal of Molecular Sciences suggests that excessive amounts of vitamin D in supplement form can cause liver toxicity. The body's metabolism can become negatively impacted when the IU (International Units) of vitamin D exceed the needed amount.

3. Niacin (Vitamin B3)

Research published in the Journal of Nutrition, Health and Ageing highlights that excessive amounts of niacin or vitamin B3 can result in liver abnormalities. The core issue with vitamin B3 supplements is the excessive form of the dose. When the source of it is naturally extracted from food sources, the impact on the body is different.

4. Iron Supplements

The Biomedicine and Pharmacotherapy Journal pinpoints that excess doses of iron supplements can damage the liver. The result of consuming too much iron is possible liver inflammation that can hinder liver functioning.

Can Herbal Supplements Harm The Liver Too?

The liver journal research indicates that even herbal supplements can cause herbal-induced liver injury. This side effect is also becoming common due to the popularity of herbal supplements for common health ailments. Dr (Brig.) Pankaj Puri, Director, Gastroenterology and Hepatology, Fortis Escorts Liver and Digestive Diseases Institute, New Delhi explains the herbal supplements that are linked to possible liver injury. Herbal supplements such as:

  • Green tea extract can introduce liver health issues due to the presence of epigallocatechin gallate (EGCG) in it.
  • Ashwagandha can lead to liver injury when used excessively.
  • Garcinia cambogia can trigger acute liver failure within 4 weeks of its usage.
  • Bodybuilding supplements are subjected to different types of formulation that can result in drug-induced liver injury.
  • Multi-ingredient fat burners can introduce higher oxidative stress, impacting liver function.

When such kinds of supplements with documented liver damage are consumed together, then the health risk to liver function becomes far greater.

Also Read: Doctor Explains How Supplements And High-Protein Diets Can Impact Liver Health

Signs You May Be Taking Too Many Supplements

Your body can exhibit signs that you are taking too many supplements, which need medical attention. These signs can be:

  • Persistent fatigue
  • Nausea
  • Loss of appetite
  • Abdominal discomfort
  • Dark urine
  • Yellowing of skin or eyes
  • Itchy skin
  • Unexplained weight loss

These signs warrant medical evaluation as the liver might be struggling to perform its functions.

Who Faces The Highest Risk Of Supplement-Induced Liver Injury?

Health supplement-induced liver injury can be higher, in particular, in at-risk groups. These are the people who need to be extra careful with their supplement intake:

  • Older adults, as their internal health slows down.
  • People with pre-existing liver disease should be extra careful to avoid serious side effects.
  • Individuals taking multiple medications should get their liver function checked.
  • Fitness enthusiasts using performance supplements should consult a medical professional to be safe.
  • People taking high-dose vitamins without medical supervision need to practise caution.

How Many Supplements Are Too Many?

In order to figure out if you are taking too many supplements, you need to make sure that you consult a medical professional. You need to get a detailed blood panel done and seek medical guidance to take a safe approach to supplement consumption.

The risk associated with health supplements depends on the exact dose, combination of vitamins, duration of consumption, and any underlying health conditions.

Note: More supplements don't always translate to better health outcomes.

Red Flags On Supplement Labels

Your supplement bottles can have particular warning signs on them, which should stop you from consuming health supplements. Watch out for any mentions of the following:

  • Mega-dose vitamins translate to unregulated concentrations of vitamins.
  • A proprietary blend means the mixture of ingredients is unknown.
  • Duplicate ingredients with different names are listed on the bottle.
  • Unverified health claims such as 100% natural, complete reversal of serious health issues.
  • Multiple products containing the same nutrient are listed on the same bottle.

6 Doctor-Approved Tips To Take Supplements Safely

Health supplements need to be consumed safely and only after a medical deficiency has been established. This is only possible after the required bloodwork and a doctor's consultation.

  • Avoid self-prescribing multiple products at once to preserve your liver health.
  • Make sure you are only consuming what your body actually lacks.
  • Follow the recommended daily doses set by your primary care physician.
  • Inform your doctor about every health supplement that you are taking over-the-counter to factor in any possible interference.
  • Avoid mixing similar products that can become toxic to the liver.
  • Seek liver functioning tests such as LFT, KFT, and any other liver panel as prescribed.
  • Prioritise food over supplements, as food sources can be metabolised in the body quickly.

When Should You See A Doctor?

When the consumption of health supplements results in liver health issues, then medical advice is necessary. If you experience these symptoms, then a hepatologist (liver health specialist) should be consulted:

  • Jaundice
  • Severe abdominal pain
  • Persistent vomiting
  • Significant fatigue
  • Sudden changes in liver function tests

Health supplements can prove beneficial when their dose is accurate, and this has been determined by a medical professional. Research points to side effects on liver health, which should stop you from opting for over-the-counter supplements.



Disclaimer: This content including advice provides generic information only. It is in no way a substitute for a qualified medical opinion. Always consult a specialist or your own doctor for more information. NDTV does not claim responsibility for this information.