Gutsy Talks

Episode 29: Iron & B12 Explained - Symptoms, Testing & Smart Fixes with Steph Lowe


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Feeling exhausted, foggy or flat, yet being told your iron or B12 levels are “normal”? This episode explores why deficiencies are so often missed and what actually helps.

Joining me is Steph Lowe, The Natural Nutritionist, a qualified nutritionist who has been supporting women globally since 2011 to restore energy, balance hormones and feel well again. Steph brings a practical, evidence-informed lens to iron and B12, two nutrients that are commonly misunderstood, poorly tested and often incorrectly supplemented.

In this conversation, we break down iron and B12 in a way that actually makes sense, from spotting early warning signs, to understanding absorption issues, misleading reference ranges, and smarter ways to test and supplement. If you’ve tried supplements, dietary changes or even infusions and still don’t feel better, this episode will help you connect the dots.

In this episode, we chat about:

  • Signs and symptoms of iron and B12 deficiency
  • Common causes, including gut-related absorption issues
  • How the body absorbs iron and vitamin B12
  • Iron deficiency vs iron deficiency anaemia
  • Low B12 vs pernicious anaemia
  • The right and wrong way to test iron and B12
  • Reference ranges vs optimal ranges
  • Iron infusions and B12 injections
  • Comparing different forms and doses of iron and B12
  • The role of co-factors in supplementation
  • Foods and substances that help or hinder absorption
  • Common myths around iron and B12 deficiency
  • One simple step to support your levels today
  • Steph’s #1 piece of advice for navigating iron or B12 issues


Rachel’s (she/her) details: Ready To Take Your Next Step To Support Your Gut?

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Connect With Steph (she/her)

Visit Steph's Website 

Connect with Steph on Instagram


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Cell Squared 10% off for Gutsy Talks listeners via this link use the code 'RACH10' for 10% off

Disclaimer: The information provided on Gutsy Talks is for education and informational purposes only. It is not provided nor intended to substitute for professional advice or care. Please seek the advice of a qualified health care professional in the event you have questions or concerns about your health.

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Gutsy TalksBy Rachel Larsson