26/10/2025
                                            🔥 Why Your Body Needs Stomach Acid (HCL) — And What Happens When It’s Low
Hydrochloric acid (HCL) in the stomach is essential for healthy digestion. It’s often misunderstood — people think stomach acid is bad because of reflux, but in functional medicine we often see the opposite: not enough stomach acid.
✅ What HCL Does for You
 1. Breaks Down Protein
 • HCL activates pepsin, the enzyme needed to digest protein properly.
 • Without it, proteins stay too large and become irritating to the gut.
 2. Prevents Bacteria Overgrowth
 • The stomach is supposed to be a sterile, acidic barrier.
 • Low acid allows microbes to overgrow, causing bloating, gas, burping, and dysbiosis.
 3. Triggers Nutrient Absorption
 • Signals the pancreas and gallbladder to release digestive juices.
 • Helps absorb key nutrients like B12, iron, zinc, calcium, magnesium.
 4. Protects Against Food Sensitivities
 • Proper digestion prevents food antigens from entering the bloodstream.
⚠️ When HCL is Low → Leaky Gut Risk
Low stomach acid leads to a cascade of digestive stress:
❌ Poor protein digestion
→ Large, partially digested proteins enter the small intestine
→ Immune system sees them as foreign
→ Inflammation + food sensitivities increase
❌ Microbial overgrowth
→ Gas + pressure pushes stomach contents upward
→ Reflux even when acid is low
❌ Chronic inflammation
→ Damages the tight junctions of the gut lining
→ Intestinal permeability (“leaky gut”)
💥 The Cycle: Low HCL → Reflux → Antacids → Lower HCL → More Damage
Many people are treated for reflux with acid blockers —
but that actually reduces HCL even more, worsening digestion and nutrient status.
🔑 Symptoms of Low Stomach Acid
 • Bloating after meals
 • Burping/acid reflux after eating
 • Fatigue after high-protein meals
 • Nutrient deficiencies (iron, B12)
 • Hair loss, brittle nails
 • Overgrowth (SIBO, candida)
✅ Supporting Healthy Stomach Acid
 • Slow, mindful eating and chewing well
 • Bitter foods before meals
 • Apple cider vinegar or lemon water pre-meal (if tolerated)
 • Functional testing + digestive support such as Betaine HCL (assessed with a practitioner)
🌟 Bottom Line
Stomach acid is not the enemy — it is your first line of defense and a cornerstone of complete digestion. When it’s too low, the entire digestive system becomes compromised, contributing to inflammation and leaky gut.