What Not to Eat Before Donating Plasma? Food List to Avoid

By | July 22, 2023
What Not to Eat Before Donating Plasma

If there’s one thing I’ve learned from my many adventures in plasma donation, it’s that preparation truly makes all the difference.

Sure, I’ve had my share of rookie mistakes—like that time I gorged on a greasy cheeseburger right before donating.

Spoiler alert: it didn’t go well.

Let’s save you from my fumbles and dish out insider knowledge on What Not to Eat Before Donating Plasma.

What Not to Eat Before Donating Plasma?

What Not to Eat Before Donating Plasma

This is a list of things of what not to eat before donating plasma:

  1. Fatty Foods: Avoid foods that are high in fat such as fried foods, fast food, full-fat dairy products, and fatty meats. Excess fat can affect the quality of your plasma.
  2. Alcohol: Alcohol can dehydrate you and affect your plasma’s quality, so avoid it before donation.
  3. Caffeinated Beverages: While a small amount may be fine for some, caffeine can contribute to dehydration, so it’s best to limit your intake.
  4. Excessive Salt: Salty foods can also dehydrate you. Try to avoid processed foods, which often have high sodium levels.
  5. Empty Calorie Foods: Foods like candy, chips, and other snacks with high sugar and low nutritional value can impact your energy levels and overall health, so it’s best to avoid these.
  6. Certain Supplements: Some supplements, like aspirin or blood thinners, can affect the donation process. It’s best to consult with the plasma donation center or your healthcare provider about any supplements you’re taking.

After going over what not to eat, you might be wondering about the foods you should consume before donating. Check out our guide on What to Eat For Breakfast Before Donating Plasma for some nutritious and plasma-friendly meal ideas.

Fatty Foods to Avoid Before Donating Plasma

These are all the Fatty Foods to Avoid Before Donating Plasma:

  1. Fried Foods: French fries, fried chicken, onion rings
  2. Fast Foods: Burgers, pizzas, hot dogs, nachos
  3. Full-fat Dairy: Whole milk, cheese, cream, butter
  4. Processed Foods: Chips, cookies, pastries, processed meats like sausages and hot dogs
  5. Fatty Meats: Ribeye steak, pork belly, lamb chops, bacon
  6. Oily Fish: Salmon, mackerel, sardines
  7. Nuts and Seeds: Almonds, walnuts, chia seeds, flax seeds
  8. High-fat desserts: Ice cream, cakes, pies
  9. Certain Oils: Palm oil, coconut oil
  10. Junk Food: Candy bars, chocolate, sugary cereals.

Once you’ve navigated the pre-donation food maze, it’s important to refuel. Let’s pivot and check out the essential guide on what to eat after donating plasma to ensure a swift and healthy recovery.

Why Is It Not Good to Eat Fatty Foods Before Donating Plasma?

Eating fatty foods before donating plasma isn’t advisable because they can increase the level of lipids (fats) in your blood.

This can lead to your plasma appearing milky or cloudy, a condition known as lipemia. When the plasma is lipemic, it may not be suitable for use in treatments and therapies that rely on plasma donations.

In addition, excessive fat in the blood can potentially interfere with the machinery used for plasma collection. Therefore, to ensure that your donation can be used effectively, it’s recommended to avoid eating fatty foods before your donation.

How Does Drinking Alcohol Affect Plasma Donation?

Alcohol can have a significant impact on the body’s hydration levels because it acts as a diuretic, increasing urine output and potentially leading to dehydration.

Dehydration can cause difficulties in the plasma donation process as it can make your veins more challenging to access and may lead to lightheadedness or fainting.

Furthermore, alcohol can affect your liver’s function and alter the levels of certain substances in your blood, which could affect the quality of your donated plasma.

Hence, it’s suggested to avoid alcohol before donating plasma to ensure a safe and successful donation.

For more specific guidance on nutritional preparations for plasma donation, consider our detailed article on the benefits of having a Protein Shake Before Donating Plasma.

FAQs on What Not to Eat Before Donating Plasma

These are the most frequently asked questions on What Not to Eat Before Donating Plasma:

Can I drink coffee or other caffeinated drinks before donating plasma?

You cannot drink Coffee or other caffeinated drinks before donating plasma as they can have a diuretic effect, potentially leading to dehydration.

Should I avoid sugary foods before donating plasma?

It’s generally a good idea to avoid foods high in sugar before donating plasma as lots of sugar intake can cause spikes and crashes in your blood sugar levels, which may lead to feelings of dizziness or light-headedness during or after the donation process.


In summary, understanding what not to eat before donating plasma is crucial for a successful and comfortable donation experience.

It’s important to steer clear of caffeinated beverages, which can cause dehydration, and to avoid sugary foods that can lead to fluctuations in blood sugar levels.

These dietary guidelines aim to ensure your body is well-prepared for the donation process and can help prevent potential side effects.

Remember, every plasma donation can make a significant difference in someone’s life. Hence, the small dietary adjustments made to ensure a smooth plasma donation not only benefit you but also those who rely on plasma for their medical treatments.

Always consult healthcare professionals for personalized advice when preparing for plasma donation.