The Dr. Josh Axe Show
The Dr. Josh Axe Show

Sep 14, 2026 · 39 min

Amino acids may offer a cheaper route to glutathione

Your Body Makes Its Own Master Antioxidant — Here's Why It Stops.

The episode frames declining glutathione as an age-related source of oxidative stress and examines whether targeted nutrition can support its production.

3 key takeaways
  1. 1Glutathione tends to decline with age, potentially leaving cells more vulnerable to oxidative stress.
  2. 2Raising glutathione may require supporting the body’s production systems rather than relying on supplements or IV treatments alone.
  3. 3Research on glycine and N-acetylcysteine points to a lower-cost nutritional approach for rebuilding glutathione.

Don't miss

Josh Axe’s central argument is that glycine and N-acetylcysteine may support glutathione production without making costly IV treatment the default.

The brief

Josh Axe opens with a challenge to the usual glutathione pitch: higher levels may depend less on buying a treatment and more on helping cells make their own supply.

The episode links aging with declining glutathione and greater oxidative stress, making the antioxidant’s loss a question of cellular resilience rather than a simple supplement gap.

Its central intervention is GlyNAC, a combination of glycine and N-acetylcysteine studied for supporting glutathione production and antioxidant capacity.

The standout idea is practical and economic: targeted amino acids could offer a way to address glutathione decline without treating expensive IV therapy as the only answer.

Listen to the full episode and explore every guest, topic, and moment on PodLume.