Is Sourdough Actually Good for Your Gut? Here's the Truth

Searches for "sourdough gut health" have surged 99% in the past year in the UK. But the truth that nobody is saying loudly enough is that most supermarket sourdough won't give you any of those benefits. Here's why and what real sourdough actually does.
What real sourdough does for digestion.

Genuine sourdough is made with a live wild yeast and bacteria starter, fermented slowly over 12–24 hours. That fermentation process does three important things:
• Breaks down phytic acid: an antinutrient in wheat that blocks your body from absorbing minerals like iron and zinc.
• Partially pre-digests gluten proteins, which is why many people with mild gluten sensitivity tolerate real sourdough far better than regular bread.
• Produces organic acids that may support a diverse, healthy gut microbiome.
Important caveat: sourdough is not a probiotic. The live bacteria don't survive baking. The benefits come from the fermentation by-products, not live cultures. Anyone telling you otherwise is overstating it.

How to spot real sourdough
Ingredients should read: flour, water, salt. Nothing else. If you see yeast, vinegar, citric acid or 'sourdough flavouring', put it back.
At Tutu's Foods, our bakery in Hockley, Essex, every loaf of sourdough starts with our own live wild yeast starter. We ferment our dough slowly, no commercial yeast, no additives, no shortcuts. Everything is baked fresh to order, so you get bread at its absolute best.
That's not marketing. It's just how sourdough should be made.

Order from Tutu's Foods
Available for collection at two points:
Hockley, Essex: Foundry Business Park, SS5 4HS - Tuesday & Friday
Stratford, London - Sunday
Order at tutusfoods.com - cut-off times apply