Have You Heard? The Soya Ladder Has Been Updated

food allergy Apr 10, 2026
Soya Ladder

If your child has a non-IgE soya allergy and this is something we often see alongside cow’s milk allergy, you may have been advised to follow the soya ladder.

But before we even get into the steps, there’s something really important that often gets missed.

The soya ladder is only started once an allergy has been confirmed.

Not before. Not “just to try.”

I’ve spoken to so many parents who were told to “just give it a go and see what happens” and they’re left dealing with symptoms, confusion, and a whole lot of second-guessing.

That’s not what the ladder is for.

The ladder isn’t there to diagnose an allergy. It’s there to help build tolerance once you already have that diagnosis.

And if you’re at that stage, you’re probably feeling a mix of things.

Relief, because you finally have answers.

But also uncertainty… because now you’re thinking,
“Okay… what do I actually do next?”

That’s exactly where the ladder comes in.

It gives you structure, so you’re not guessing your way through it.

So what actually is the soya ladder?

At its core, the soya ladder is a gradual way of reintroducing soya, starting with forms that are less likely to trigger symptoms, and slowly working towards more direct forms of soya protein.

It’s not about rushing.

It’s about building confidence. Step by step.

A quick word on soya lecithin

This comes up all the time.

Some parents have been told or assumed that soya lecithin is part of the ladder.

It isn’t.

Soya lecithin is highly processed and usually contains very little soya protein, so it’s unlikely to help assess or build tolerance in a meaningful way.

That’s why it’s not included.

The ladder focuses on forms of soya that actually allow us to understand what your child can tolerate and move that forward safely.

Step 1: Baked Soya

This is where most parents begin and also where a lot of uncertainty shows up.

The first step is introducing soya flour that’s been baked into everyday foods.

In simple terms, this means foods like bread, pitta, fruit loaf or biscuits where the soya is mixed into the recipe and cooked at a high temperature.

That heating process changes the protein structure, making it less likely to trigger symptoms.

When choosing products, always check the ingredients list carefully. Soya flour should be clearly listed, usually highlighted in bold, italics or capital letters.

At this stage, you’re working towards an age-appropriate portion such as a slice of bread, a biscuit, or half a bagel depending on size.

But this isn’t about rushing to hit a target.

It’s about going slowly, watching your child, and giving their body time.

And this is the point where doubt often creeps in.

“Is this a reaction?”
“Should I stop?”
“Am I doing this right?”

If your child is tolerating this step consistently over a few weeks, with no ongoing symptoms, that’s usually your sign that you can start thinking about moving forward.

Finding foods with soya flour

This is the part no one really warns you about.

Finding suitable foods with soya flour, especially for younger children, isn’t always straightforward.

Many parents assume most bread contains soya flour.

It doesn’t.

And even when it does, it might not be suitable depending on age or the rest of the ingredients.

Some examples that may contain soya flour include:

  • Hovis Best of Both

  • Kingsmill 50:50

  • Warburtons wholemeal bread

  • Fruit loaves, pittas, and certain biscuits

But ingredients change all the time so always double-check labels before giving anything new.

Step 2: Cooked Soya

Once baked soya is being tolerated, the next step is cooked soya used within meals.

This includes things like:

  • Tofu in a stir fry

  • Soya yoghurt or drink used to make sauces (like a white sauce or lasagne)

  • Soya cream cheese added into meals

Here, soya is still being heated—but in a less processed way than in baking.

The idea is to gradually increase exposure to soya protein in a way that still feels manageable.

You don’t need complicated recipes.

Simple, everyday meals are more than enough.

A quick but important reminder

This blog is here to guide you but it doesn’t replace personalised advice.

If you’ve previously been given slightly different instructions, don’t worry.

The ladders are updated over time based on the latest evidence and clinical experience.

What matters most is that you’re moving forward:

  • Safely

  • Gradually

  • And with the right support around you

What comes next

The next step introduces more direct forms of soya, things like soya yoghurt, soya drink, soya cheese, and soya ice cream.

But getting there takes time.

And each step builds on the one before.

You don’t have to do this alone

If you’re feeling unsure…
Second-guessing yourself…
Or just tired of trying to figure everything out on your own—

This is exactly why we created The Food Allergy Baby Circle

Because parents don’t just need information.

They need support in the moment they’re making decisions.

Inside, we help you navigate things like:

  • “Is this a reaction?”

  • “Should I move up?”

  • “What can I actually buy?”

With real guidance, 24/7!

👉 You can join us here.

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