Fuel the Spark: L-Carnitine + Liver Support

November 10, 2025

In partnership with

Code to Conception

Daily micro-protocols for the 90-day miracle window

Day 31 of 90

| November 10, 2025 |

🔬 Pre-Bump Biology  

Mitochondria power sperm motility and early embryo development. L-carnitine fuels fatty-acid entry into these energy engines, boosting ATP and protecting DNA. In parallel, a calmer, cleaner liver (think milk thistle) improves hormone handling and metabolic inflammation—both critical for egg quality, implantation, and lower miscarriage risk.

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🧬 Protocol Drop  

Today’s Allopathic Protocol:
Take L-carnitine 1,000 mg twice daily with meals for 90 days. If motility is the main issue, add acetyl-L-carnitine 500 mg twice daily. Re-check a WHO-2021 semen analysis at Day 90.

Today’s Holistic Protocol:
Add milk thistle (silymarin 140 mg, 70–80% standardized) twice daily with meals for 12–24 weeks to support hepatic detox and inflammation control. Avoid once pregnant unless your clinician approves.

👉 Read the summary on L-carnitine for sperm function.
👉 Read the summary on milk thistle for liver-metabolic support.

📚 Glossary Pop  

Carnitine shuttle: The cell’s “ferry system” (CPT1A → CACT → CPT2) that moves fatty acids into mitochondria to make ATP. Better shuttling = more energy for sperm movement and early embryo cell division.

Text this to your partner: “LC at breakfast/dinner; milk thistle with meals—starting today.” Team effort = faster wins.
P.S. Tomorrow Teaser
You’ll learn how two deceptively simple swaps—ditching sugary drinks and lifting weights three times a week—can reset insulin, lower inflammation, and supercharge both egg and sperm quality. Day 29 is all about building metabolic momentum for conception.

Want to learn more?

Li, K.-p., Yang, X.-s., & Wu, T. (2022). The effect of antioxidants on sperm quality parameters and pregnancy rates for idiopathic male infertility: A network meta-analysis of randomized controlled trials. Frontiers in Endocrinology, 13, 810242. https://doi.org/10.3389/fendo.2022.810242

Mateus, F. G., & Moreira, S. (2023). L-Carnitine and male fertility: Is supplementation beneficial? Journal of Clinical Medicine, 12(18), 5796. https://doi.org/10.3390/jcm12185796

Jin, Y., Wang, X., Chen, K., et al. (2024). Silymarin decreases liver stiffness associated with gut microbiota in MASLD: A randomized, double-blind, placebo-controlled trial. Lipids in Health and Disease. https://doi.org/10.1186/s12944-024-02220-y

Heidari-Khoei, H., et al. (2022). Silymarin for endometrioma-related symptoms: A randomized controlled trial. Scientific Reports, 12, 17309. https://doi.org/10.1038/s41598-022-21563-0

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