Holiday Cheers or Health Fears - The Hidden Risks of Alcohol and Natural Supplements
- jodi9122

- Dec 19, 2025
- 4 min read
The holiday season often brings celebrations filled with joy, family, and yes, alcohol. While enjoying a festive drink might seem harmless, it’s crucial to understand the hidden risks alcohol poses, especially when combined with natural supplements and nutrients. Many people don’t realize that alcohol is classified as a Group 1 carcinogen by the International Agency for Research on Cancer (IARC) and National Toxicology Group. This means alcohol is scientifically proven to cause cancer. This post will explain why alcohol can undermine your health goals, particularly if you are taking natural supplements, and how it affects nutrient absorption.

Alcohol as a Group 1 Carcinogen
The IARC classifies substances into groups based on their cancer-causing potential. Group 1 includes agents with sufficient evidence of carcinogenicity in humans. Alcohol, including beer, wine, and spirits, falls into this category. According to the IARC Monographs Volume 100E (2012), alcohol consumption increases the risk of cancers of the oral cavity, pharynx, larynx, esophagus, liver, colorectum, and breast.
This classification is based on decades of research. For example, a 2018 study published in The Lancet Oncology estimated that alcohol causes about 4% of all cancer cases worldwide. The risk increases with the amount of alcohol consumed, but even moderate drinking carries some risk.
Understanding this risk is essential, especially during holidays when alcohol intake tends to rise. It’s not about scaring you but helping you make informed choices.
How Alcohol Interferes with Nutrient Absorption
Many people take natural supplements to support their health, especially minerals and vitamins. Alcohol can seriously interfere with how your body absorbs and uses these nutrients. Research shows that alcohol can block the assimilation of key nutrients by as much as 80%. And it takes almost a full 48 hours after the consumption of alcohol for it to entirely leave your body. This means that even if you take high-quality supplements, alcohol consumption can render them far less effective.
Here are some nutrients that alcohol affects significantly:
Calcium
Copper
Iron
Magnesium
Manganese
Phosphorus
Potassium
Selenium
Vitamin B1 (Thiamine)
Vitamin B2 (Riboflavin)
Vitamin B6 (Pyridoxine)
Vitamin B9 (Folate)
Vitamin B12 (Cobalamin)
Vitamin C
Vitamin D
Vitamin E
Zinc
For example, alcohol impairs the absorption of Vitamin B1, which is crucial for energy metabolism and nerve function. Deficiency in B1 can lead to serious neurological problems. Similarly, alcohol reduces calcium absorption, which is vital for bone health.
Why Avoid Alcohol During Supplement Treatment
For clients undergoing treatment with natural supplements, I always recommend avoiding alcohol entirely. Drinking alcohol while taking supplements is like pouring water into a leaky bucket. You spend money on formulas designed to improve your health, but alcohol blocks their benefits.
Here’s why:
Reduced effectiveness: Alcohol blocks nutrient absorption, so your body gets fewer benefits from supplements.
Increased nutrient depletion: Alcohol increases the excretion of nutrients like magnesium and zinc, worsening deficiencies.
Increased oxidative stress: Alcohol generates free radicals that damage cells, counteracting antioxidants like Vitamins C and E.
Compromised immune function: Alcohol weakens the immune system, which supplements often aim to support.
If you want to get the most out of your supplements, it’s best to avoid alcohol, especially during treatment phases.
Alcohol and Nutrients in Food
It’s not just supplements that alcohol affects. Nutrients from your regular diet are also impacted. Even if you eat a balanced diet rich in vitamins and minerals, alcohol can reduce how much your body absorbs and uses.
For example, a person drinking regularly might have normal iron intake but still develop anemia because alcohol blocks iron absorption. Similarly, alcohol can reduce Vitamin D levels, which are already low in many people, especially during winter months.
Making Informed Choices This Holiday Season
I’m not here to tell you to never drink alcohol. Many people enjoy a drink responsibly and live healthy lives. The goal is to provide clear information so you can make informed decisions.
Here are some tips to consider:
If you are taking supplements or focusing on nutrient-rich foods, try to avoid alcohol or limit intake.
Choose alcohol-free days during your supplement treatment to maximize nutrient absorption.
Stay hydrated and eat nutrient-dense meals if you do drink.
Be aware of the cancer risks associated with alcohol, especially if you have other risk factors.
Remember that no one lives a perfect lifestyle. The key is balance and informed choices.
Practical Examples
Imagine you are taking a magnesium supplement to help with muscle cramps and sleep. Drinking alcohol regularly can reduce magnesium absorption by up to 80%, making the supplement almost useless. You might continue to experience symptoms despite taking supplements.
Or consider someone taking Vitamin B12 for energy and brain health. Alcohol blocks B12 absorption and increases its excretion, potentially leading to fatigue and cognitive issues.
These examples show why alcohol can undermine your health efforts.
Final Thoughts
Alcohol is a scientifically proven cancer-causing agent and a powerful blocker of nutrient absorption. During the holidays, when alcohol consumption often increases, it’s important to remember how it can affect your health and the effectiveness of natural supplements. Helping you to make informed choices.
Enjoy this holiday season in any manner you choose, hold your loved ones tight and share in lots of laughter.
with love,
Jodi and the Bluebird Natural Healing Family
xo




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