
... where the lactation learning is free.
| Platform | Pricing | Freemium | Publishes | Daily | |
|---|---|---|---|---|---|
| Issues | 965 | Founded | 6 years ago | Last Issue | 3 days ago |
| Active | Language | ||||

October 15, 2026
Here is the citation.
Here are 15 questions to Test Your Knowledge about the fats in human breast milk.
1. Fat in human milk provides about how much of the infant’s energy needs?
A) 15%
B) 25%
C) 35%
D) 50%
2. The most variable component in...
The title of this post comes from a book by John Medina, Brain Rules for Baby: How to Raise a Smart and Happy Child from Zero to Five. He writes,
If America knew what breast milk can do for the brains of its youngest citizens, lactating...
Lipids (fats) are the next macronutrient in human milk to discuss. I will use the terms ‘lipids’ and ‘fats’ interchangeably.
Here are 12 questions to test your knowledge about the proteins in human milk.
1. The total protein content in human milk is about ___%.
A) 0.5%
B) 1%
C) 5%
D) 10%
2. The whey-to-casein ratio in colostrum is:
A) 90:...
Subscribers, engagement, traffic and sponsorship for The Lactation College on Substack.
| Subscribers | Engagement | 79 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Where The Lactation College on Substack ranks on Google, and how much search traffic it brings in.
| Ranked Keywords | 183 | Monthly Search Traffic | Top Keywords |
|---|
How this newsletter ranks in the official Substack charts.
| #202 |
The writers behind this newsletter.
Pediatrician, Professor of Pediatrics, Educator, Writer - with first hand experience as a wife, mother of 3, and grandmother of 4. Breastfeeding is important, but it can be hard - I hope this helps.
You can find recent issues that have been published by The Lactation College on Substack on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
To see how many people subscribe to The Lactation College on Substack, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
Newsletter advertising can be extremely effective when it's done right. Before you pitch The Lactation College on Substack as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact The Lactation College on Substack using the contact information provided and ask for a copy of their media kit.
Scroll up to where it says Related Newsletters to see other publications like The Lactation College on Substack. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.