How to Invoice as a Nutritionist
What goes on an invoice for nutrition consultations and programs, how to bill a package of sessions, and how to follow up when a client pays late.
A nutritionist's invoice should show each consultation or program the client booked, with its date and price, so the client can match the charges to the sessions they attended.
In the US, the Bureau of Labor Statistics' Occupational Outlook Handbook (page last modified October 29, 2026) says "Dietitians and nutritionists counsel clients on nutrition issues and healthy eating habits." It also says "Many states require dietitians and nutritionists to be licensed in order to practice." Ask your state's licensing board what applies to you.
An example with made-up figures: the client books a first consultation at $150.00 and a package of four follow-up sessions at $90.00 each, 4 × $90.00 = $360.00. The invoice carries both lines, $150.00 + $360.00 = $510.00, paid in two scheduled installments of $255.00. Together they make $510.00, matching the invoice total as the help center's rule on installments says they must.
Step-by-step invoicing guide
- 1
Save the services you offer
Set up your consultation, follow-up session and program prices once. Billed's invoice software page says you can "save the products and services you sell so you can pull them into an invoice instead of retyping them."
- 2
Give each session a dated line
Put each consultation or package on its own line with the session date. Billed's help center says you can "fill this section to charge against new items and services".
- 3
Offer installments for programs
For a longer program, Billed's help center says "You can let your clients pay the amount in installments through this option." It also says "Add a percentage or flat amount and the due date for each installment."
- 4
State when payment is due
Billed's invoice software page says "Set a due date on each invoice so your client knows when to pay."
- 5
Collect the payment and confirm it
Billed's mobile app page says "Invoices carry a pay button when Stripe or PayPal is connected, so clients can pay by card the minute they receive it." Billed's invoice software page says "After a client pays, you can send them a payment receipt."
- 6
Remind clients who haven't paid
Billed's help center says "You can set a schedule of payment reminders before and after the invoice's due date."
Tips for nutritionist invoicing
- Date every session line, so a client can check the invoice against their calendar.
- Describe the service, such as a 60-minute follow-up, rather than anything discussed in the session.
- Choose whether a package appears as one line with the session count or as one line per session, and use the same layout for every client.
- If your written terms charge for late cancellations, show each one as a dated line of its own.
- Look up a client's past invoices before you quote a new program: Billed's client management page says "Each client profile in Billed includes a complete history of invoices, estimates, and payments."
Common invoicing mistakes to avoid
- Billing a package as one lump sum without the number of sessions it covers.
- Omitting session dates, which can make the charges impossible to tie to visits.
- Charging a cancellation fee your written terms don't include.
- Sending invoices weeks after the sessions took place.
How this works in Billed
Saved consultation prices
Billed's invoice software page says you can "save the products and services you sell so you can pull them into an invoice instead of retyping them."
Programs paid in installments
Billed's help center says "Clients can pay several installments against a single invoice."
Card and PayPal payments
Billed's mobile app page says "Invoices carry a pay button when Stripe or PayPal is connected, so clients can pay by card the minute they receive it."
Payment receipts
Billed's invoice software page says "After a client pays, you can send them a payment receipt."
Late-payment reminders
Billed's help center says "You can set a schedule of payment reminders before and after the invoice's due date." It also says "You can send up to three reminders."
Frequently asked questions
Start Invoicing With Billed
Set up your account and send your first invoice with Billed.
At a glance
| What the client booked | On the invoice |
|---|---|
| First consultation | One dated line |
| Package of follow-ups | Session count and price, or a line per session |
| A longer program | Installments on one invoice |
| Late cancellation | Its own dated line, if your terms allow it |
When this isn't for you
If the way you invoice clients today already works for you, there's no need to switch.