Stage 3 Mix-Ins

(4.9)

$84.15

TOP 9 ALLERGENS
NO ADDED SUGAR
FOR FOOD EATERS ONLY
USDA ORGANIC

Introduce 9 of the top allergens (peanut, egg, milk, cashew, almond, walnut, sesame, soy, wheat) in one daily packet. Simply mix it into any food your baby already eats (Stage 3 is designed for babies who are already eating solid foods). Pre-measured daily packets. Made with 100% organic, real food ingredients. No added sugar.

30 Day Supply - Free Shipping on Orders $50+

Size:

30 Days Of Stage 3 90 Days Of Stage 3 180 Days Of Stage 3

Variant

Is this for my baby?

Find the line that sounds like your baby:

4+ months and hasn't had peanut, egg or milk yet (or has only tried them once or twice) — bottle or solids

Stage 1+2 Mix-Ins

Introduces each allergen gradually, one at a time, then keeps it going

Already has peanut, egg and milk regularly, but isn't eating solids yet (or is under 6 months)

Stage 2 Mix-Ins

Keeps daily exposure going — in the bottle or in food

6+ months, eating solids, and already has peanut, egg and milk regularly

Stage 3 Mix-Ins

This product

Grows to all 9 top allergens — mixed into food, not bottles

Baby under 4 months? Not yet — guidelines say to start at 4 months or later.

Is it safe for my baby?

Ready. Set. Food! was created with leading allergists to make early allergen introduction as gentle as possible. We start with tiny amounts of peanut, egg, and milk, introduce them one at a time, and build up slowly to the amounts used in clinical studies, following AAP and CDC recommendations.

Questions? We always encourage checking in with your pediatrician. Learn more about our approach to safety →

What's inside

30 daily packets with a pre-measured dose of peanut, egg, milk, cashew, almond, walnut, sesame, soy, and wheat.

How to use

Open 1 packet, mix into baby’s food and feed as you normally would. Use 1 packet, once a day until you’ve completed the box.
If you miss a day, resume the following day.

RSF! tip: Try mixing in plain Greek yogurt or applesauce to change up the texture, or stir in mashed or pureed fruit to introduce new flavors!

What if my baby reacts?

Stage 3 adds six new foods — cashew, almond, walnut, sesame, soy and wheat — so the first days deserve a little extra attention. Reactions in babies are rare and usually mild; here's how to watch:

Before you start. If your baby has severe eczema or a known egg allergy, check with your pediatrician first.

Make it easy to watch. On days a new food begins (your packets are labeled day by day), give the packet in the first morning feed, when your baby is well, and keep an eye on them for the next couple of hours. Reactions show up within minutes, almost always within 2 hours.

A mild reaction looks like: a few hives (raised red bumps) or redness in one spot, mild swelling around the lips, or a single vomit. Pause the packets, snap a photo, and call your pediatrician before continuing.

Call 911 right away if (this is rare): trouble breathing or wheezing, swelling of the tongue or throat, hives spreading across the body, repeated vomiting, or your baby looks pale, floppy or unusually sleepy.

Not a reaction: fussiness, gas or constipation on their own. Keep going, and mention it to your pediatrician if it persists.

READ OUR FULL GUIDE TO REACTIONS, REDNESS AND RASHES.

Helpful Tips for When Your Shipment Arrives

Stage 3 carries all 9 allergens in one packet, so in a bottle it clumps and blocks the nipple — it's made for food. Stir one packet into 2–3 oz of a soft food your baby already loves (yogurt, oatmeal, rice cereal or purees) until the powder fully dissolves.

Baby not eating solids regularly yet? Stage 2 Mix-Ins keep peanut, egg and milk going in the bottle until they are.

Stage 3 Mix-Ins

$84.15

Join the 100,000+ Families Who Trust Ready. Set. Food!

Wish We Had Started Sooner

More than anything, it gave me peace of mind during a stage of parenting that can feel intimidating. Instead of wondering if I was introducing allergens often enough or in the right amounts, I could simply follow the program. I would absolutely recommend it to any parent looking for a convenient, science-backed way to introduce allergens early.

Hi there! We're so happy to hear that Stage 3 Mix-Ins brought you peace of mind and made your parenting journey easier. Thank you for sharing your experience and for recommending us. Wishing you and your little one the best!

Love this product!

I love how easy it is to feed my daughter allergens on a daily basis and use this product in yogurt, oatmeal, milk and cottage cheese. I wish they have a ramp up product for Stage 3.

Hi Paula, we're thrilled to hear you love our Stage 3 Mix-Ins! Thank you for your feedback and for sharing how you use them. We'll definitely pass along your suggestion for a ramp-up product. Happy feeding and thank you for being part of our family!

Didn’t know it could be mixed with

Didn’t know it could be mixed with breastmilk

Hi there! Thanks so much for your feedback. Our Stage 3 Mix-Ins are designed to be flexible and easy to incorporate into your baby’s routine. They can be mixed into breast milk, formula, or food, depending on what works best for you and your little one. If you ever have questions or need mixing tips, our team is always happy to help!

Did 1+2+3 system and buying more!

My son's 4 food was wheat and he ended up showing an allergy. We were advised to start microdosing him with wheat to prevent the allergy from getting worse. We decided to give the 1+2+3 system a try, but moved along quickly to step 3 so we could start microdosing our child with wheat sooner. It has worked like a charm. His tolerance for wheat is noticeably better now that he's almost 10 months old.

Hi there! We're so glad to hear the Stage 3 Mix-Ins are helping your son. Wishing you all the best on your journey with microdosing and managing his allergies. Thank you for sharing your experience and for being part of our family!

Great produce!

For the people saying this don't work. Maybe it just don't work for your child who already has unknown food allergens and should see an allergist instead… This product gas helped me finding my daughters allergies and surprisingly she doesn't have an egg allergy like myself. Plus if you add it to water (formula) it is like the milk itself with an egg and peanut taste. I have to try her nut allergies. Like walnuts, cashews…and soy. Also by waiting till 1 or 2 you are more likely to develop more issues to intolerances. My child had an issue on Cerebelly organic baby before this

Give your baby a healthier start!

Ready. Set. Food! is a complete guided system that gently introduces babies to common food allergens using real, organic, unsweetened ingredients with no artificial additives. Our pre-measured powdered Mix‑ins let parents safely add allergens to bottles, purees, or snacks, making daily exposure easy. Pediatricians, allergists, USDA and AAAAI endorse early, regular introduction to help decrease the risk of developing food allergies. Get started today!

As Easy As 1, 2, 3!

01

Open a Packet

Each daily packet contains a precise, pre-measured dose of allergen proteins.

02

Mix It In

Stir into 2-4 oz of breastmilk, formula, puree, or any soft food. It dissolves completely!

03

Feed Your Baby

Give to your baby as part of their normal feeding routine. That's it!

What's Inside

Made of 100% organic real food with no added sugar

Daily Packet
Organic Cashew Protein, Organic Walnut Protein, Organic Sesame Flour, Organic Partially Defatted Peanut Flour, Organic Almond Protein, Organic Soy Flour, Organic Milk Protein Concentrate, Organic Wheat Protein Isolate, Organic Dried Egg Whites.

Our Safety Principles

We're committed to making early allergen introduction with Ready. Set. Food! as safe as possible for your baby.

01

Starting early is safer.

Feeding your baby allergenic foods as early as 4 months of age is the safest time. Kids under the age of 1 rarely see a reaction, and if they do it is mild.

02

Smaller amounts cause smaller reactions.

Ready. Set. Food! starts with a very small amount of each allergen before slowly increasing to the amount. This is the safest way to introduce allergens OR to discover if your child has an existing food allergy.

03

One food at a time.

Our approach makes it easy for families to follow medical recommendations from the AAP and CDC by introducing allergenic foods one at a time.

FAQ

Common Questions

Why is Ready. Set. Food! the best way to introduce allergens?

Ready. Set. Food! is the best option for introducing allergens because we make the process simple. It is important to note that for early allergen introduction parents need to frequently feed allergenic foods such as peanut, egg, and milk to their babies. Parents have found that trying to do this on their own is difficult and time-consuming, which is why we've created Ready. Set. Food! to help make early allergen introduction easy.

When should I start my baby on Ready. Set. Food! and for how long?

The 2020 USDA Dietary Guidelines for Americans and other prominent medical associations (NIH, AAP, AAAAI) recommend starting babies as early as 4 months of age with food allergen introduction.

We recommend starting the Stage 1 introduction, and Stage 2 for continued exposure together anytime between 4 - 12 months of age. You should sustain exposure to Stage 2 for at least 2 months.

Stage 3 is designed as the next step from Stage 2, and expands allergen exposure from 3 to 9 allergens including tree nuts, sesame, wheat and soy. However, if your baby hasn't started allergen introduction, but is already eating solid foods, feel free to start with Stage 3. Continue on Stage 3 for at least 6 months.

Feeding foods like peanut, egg, and milk only once or twice is NOT enough. We recommend using Ready. Set. Food!, for at least 6 months, or until your baby is regularly eating the allergens at least 3 times a week. We designed Ready. Set. Food!, to make it safe and easy for parents to not only introduce the allergens, but to sustain exposure as well.

Is Ready. Set. Food! safe?

Yes, Ready. Set. Food! is safe. Feeding allergenic foods to babies starting at 4 months of age is safe and is recommended by the American Academy of Pediatrics and the USDA. Ready. Set. Food! Stage 1 Mix-Ins starts with peanut, egg, and milk, introducing a low dose of each allergen, one at a time before slowly increasing to the maintenance amount used in the clinical studies.

How do I use Ready. Set. Food! Stage 3 and can it be mixed in with solids?

Stage 3 is recommended after finishing Stage 2, and if your little one is consistently eating solids such as applesauce, or cheesy mashed potatoes. Once your baby is consistently eating solids, safely expand from peanut, egg and milk to an additional 6 top allergens for at least another 3 - 6 months with Stage 3. If your baby has never started allergen introduction, and is eating solids already, it is okay to start with Stage 3. Mix Stage 3 with food only.

Stage 3 Mix-Ins

Stage 3 Mix-Ins

Join the 100,000+ Families Who Trust Ready. Set. Food!

Customer Reviews

As Easy As 1, 2, 3!

Open a Packet

Mix It In

Feed Your Baby

What's Inside

Our Safety Principles

Starting early is safer.

Smaller amounts cause smaller reactions.

One food at a time.

Common Questions