What’s Actually in an IV Bag?
By Megan C., RN, Lead Registered Nurse
If you’ve ever looked at an IV bag and wondered, “What’s actually in there?” you’re not the only one.
It’s something clients ask me all the time.
While IV treatments can contain different vitamins, minerals and medications depending on the treatment, every IV bag at The IV Company starts with the same thing: normal saline.
So, let’s break down what can go into a bag.
The short answer: Every IV at The IV Company starts with normal saline - sterile water and salt. Depending on the treatment, vitamins, minerals, antioxidants or medications may be added, and some drips, like our Hydration IV, are saline only. Your nurse goes through every ingredient with you before anything goes into the bag.
What is normal saline?
Normal saline is a sterile solution of water and sodium chloride (salt) that’s commonly used for IV hydration.
At The IV Company, normal saline forms the base of all eight of our IV treatments. From there, different ingredients can be added depending on which treatment you’re receiving.
And sometimes, nothing else needs to be added at all.
Our Hydration IV, for example, is simply normal saline. No added vitamins or medications. It’s our most straightforward option for someone looking for fluid-only hydration.
What can go into an IV bag?
This is where one IV can look very different from another.
Depending on the treatment, an IV may include vitamins, minerals, antioxidants or certain medications. The combination depends on the treatment and, importantly, what is appropriate for the person receiving it.
Some of the ingredients you’ll see across our IV menu include, but are not limited to, B-complex vitamins, vitamin B12, vitamin C, magnesium and glutathione.
Certain treatments may also include medications for things like nausea or pain when clinically appropriate.
This is why I always tell clients to look beyond the name of the drip and understand what’s inside it.
Why do the ingredients matter?
An IV isn’t automatically “better” because it has more ingredients in it.
I think that’s one of the biggest misconceptions around vitamin IV therapy.
If you’re simply looking for hydration, you may not need a bag filled with vitamins and other ingredients. There may also be times when a different combination makes more sense.
It comes back to something I talk about with clients all the time: what are we trying to achieve with your IV?
The ingredients, the doses, your medical history, medications you take and why you’re receiving the treatment all matter.
More isn’t always better.
Knowing what’s in your IV matters
All the ingredients in our IV treatments are listed on our website, but from my experience, people don’t always know exactly what’s in the drip they’ve booked.
It’s one of the reasons I always go through the ingredients with my clients before adding them to the IV bag.
I once had a client book a Myers Cocktail and, while going through the ingredients beforehand, I mentioned that it contained vitamin B12. The client then told me their doctor had recently advised them that their B12 levels were already high and that they should avoid additional B12.
On another occasion, a client had booked our Recovery IV, which includes ondansetron (Zofran) for nausea. When I went through the ingredients with them, they told me they had taken Zofran themselves about an hour before I arrived. Because they had taken it so recently, I explained that we wouldn’t administer another dose at that time.
These are good examples of why that quick conversation before an IV is so important. Your medical history matters, but so do things that may have changed since you booked - a new medication you have started taking, a new supplement, recent bloodwork or advice from your healthcare provider.
That’s why we encourage you to let us know if anything has changed, or if you have any allergies, and to ask questions about what’s going into your IV.
If you don’t know what an ingredient is or why it’s there, ask us. We would much rather explain it to you and make sure your treatment is appropriate for you.
You can see the full ingredient list for each of our IV treatments on our IV Treatments page. And if you’re unsure about an ingredient or which treatment makes sense for you, we’re always happy to talk you through what’s in your IV and why.
Mobile IV therapy across New York City
We bring IV therapy to you across Manhattan, Brooklyn and Queens - administered by a registered nurse, in your home, office or hotel. Not sure what’s in a drip, or which one is right for you? Message us first. We’d rather get it right.
Frequently asked questions
Can I change what goes into my IV?
Each treatment has a set list of ingredients, but if something in your drip isn’t right for you, tell us. We’ll talk through your options before anything goes into the bag - and if a drip isn’t the right fit, we’ll tell you.
Should I tell you about vitamins or supplements I already take?
Yes. Let us know about any medications, supplements or recent bloodwork before your IV, even if you mentioned them when you booked. Some ingredients may overlap with what you’re already taking.
Can the ingredients in an IV cause side effects?
They can. Vitamins, minerals and medications can each have their own potential side effects, and your nurse will go through anything specific to your drip before your treatment starts.
How often should I get an IV?
It depends on what’s in your IV and why you’re getting it. We cover this in more detail in How Often Should I Get IV Therapy?
This article provides general information and does not replace individual medical advice. Seek medical help for worsening symptoms; call 911 for a medical emergency rather than waiting for a mobile appointment.
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