Built for Warriors
Fermented botanical wellness support — rooted in West African tradition, informed by peer-reviewed research.
✦ Backed by Peer-Reviewed Research ✦
Our unique 5-day fermented botanical combination has demonstrated 93% antisickling inhibitory activity in peer-reviewed research — the highest measured among all preparations tested. Science-informed formulation. Tradition-rooted ingredients.
Warriors & Families Speak
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“HalfMoon Labs gave us hope”
“HalfMoon Labs gave us hope and a daily routine we trust. As a parent, finding something this carefully crafted made all the difference.”
— A grateful parent, Sickle Cell Warrior family
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“Science I can stand behind”
“Knowing the science behind what I’m taking — and knowing it comes from people who truly understand this disease — makes me feel supported in a way I haven’t before.”
— Sickle Cell Warrior, diagnosed at age 4
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“Finally, a formula we trust”
“We’ve tried many things over the years. This is the first botanical supplement that feels like it truly understands what our family is going through. Tradition and science together — that’s what made us say yes.”
— Mother of a Sickle Cell Warrior
Not Just a Supplement. A Statement.
HalfMoon Labs was built by a family navigating sickle cell disease firsthand. Our formula combines fermented Papaya Leaf Extract and Sorghum Bicolor — two plants with centuries of use in West African blood wellness traditions, now studied in peer-reviewed research for their botanical properties.
Handcrafted to order. Four clean ingredients. No fillers. No shortcuts.
Why HalfMoon Labs
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🌿 Tradition-Rooted
Learn About IngredientsPapaya leaf and Sorghum bicolor have been used in West African and Caribbean blood wellness traditions for generations. We honor that knowledge in every bottle.
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🔬 Science-Informed
Read the ResearchPeer-reviewed research demonstrated 93% antisickling inhibitory activity for our fermented botanical combination — the highest measured among all preparations tested.
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⚗️ Handcrafted to Order
Pre-Order NowEvery bottle is made fresh when you order — never sitting in a warehouse. Batches of 10. Your formula arrives at peak potency, made by people who understand what is at stake.
Papaya Leaf Extract
Carica papaya leaf has been used across West Africa, the Caribbean, and Southeast Asia in traditional wellness practices for centuries. Our papaya is sourced fresh, cold-extracted, and fermented for 5 days to maximize bioavailability of its active botanical compounds.
Sorghum Bicolor
Known as guinea corn across West Africa, Sorghum bicolor is rich in polyphenols and 3-deoxyanthocyanidins studied for their botanical properties. Co-fermented with papaya — the preparation period shown in peer-reviewed research to produce the highest measured antisickling properties among all preparations tested.
Half Moon Labs
Papaya Leaf Extract + Sorghum Bicolor Wellness Supplement
Fermented Sorghum & Papaya Leaf Extract. 15ml daily dose. Handcrafted in batches of 10 orders. Made fresh when you pre-order — never stockpiled.

"The highest antisickling properties among all preparations tested."
Peer-reviewed research found that the fermented extract of Carica papaya and Sorghum bicolor showed 93% inhibitory and 84% reversal activities in laboratory testing. In vitro findings only. Not evaluated by the FDA. Not a claim about this product.
How It Works
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1. Pre-Order
Reserve your bottle. We produce in batches of 10 to ensure every order is made fresh — never stockpiled or sitting in a warehouse.
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2. We Ferment
Your papaya and sorghum are co-fermented together — the preparation period shown in research to maximize botanical bioavailability.
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3. Bottled Fresh
No preservatives. No shelf stabilizers. Your formula is bottled immediately and shipped to you at peak freshness and potency.
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4. 15ml Daily
Take 15ml each morning. Consistent daily use builds the foundation for long-term botanical wellness support for you and your family.
Made by a Sickle Cell Family
We are not a supplement company that stumbled upon sickle cell disease. We are a family that has lived it, researched it, and built this formula because we needed it to exist.
Half Moon Labs was founded to give the SCD community access to a rigorously researched, tradition-honored botanical formula — made with the care that our community deserves.
Supporting Sickle Cell Families Nationwide
Every bottle sold supports a community that has been searching for trusted, science-informed botanical wellness. Made by a Sickle Cell family — for Sickle Cell families.
From the Research Desk
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Sickle Cell Disease in Adults: What Changes Aft...
The transition from pediatric to adult sickle cell care is one of the most dangerous periods for patients. Here's what changes at 18, why the adult healthcare system often fails...
Sickle Cell Disease in Adults: What Changes Aft...
The transition from pediatric to adult sickle cell care is one of the most dangerous periods for patients. Here's what changes at 18, why the adult healthcare system often fails...
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What Every Sickle Cell Warrior Should Know Abou...
From gene therapy to botanical supplements — a grounded 2026 guide to what's available, what's proven, and how sickle cell warriors are building their best wellness routines today.
What Every Sickle Cell Warrior Should Know Abou...
From gene therapy to botanical supplements — a grounded 2026 guide to what's available, what's proven, and how sickle cell warriors are building their best wellness routines today.
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Where to Buy Papaya Leaf Extract: A Buyer's Che...
Where to buy papaya leaf extract you can trust: how to compare powders, liquids, and fermented forms, what quality signals to look for, and questions to ask any supplier.
Where to Buy Papaya Leaf Extract: A Buyer's Che...
Where to buy papaya leaf extract you can trust: how to compare powders, liquids, and fermented forms, what quality signals to look for, and questions to ask any supplier.
⚗️ Now Accepting Pre-Orders
Half Moon Labs produces in batches of 10 — handcrafted to order, never mass-produced. When a batch fills, we begin production. Your order ships fresh as soon as it’s ready.
Reserve your spot in the next batch today.
Join the HalfMoon Community
Get research updates, wellness tips, and early access to new batches. We write for the SCD community — real information, zero fluff.
For Parents Walking This Road
We built this as sickle cell parents ourselves. We know what you’re carrying. We made a dedicated page just for you — with guidance, real answers, and a message from our founder.