OAG Resource Center

Resource Center

Start here. This hub organizes American Grit research, documentation, and practical guides. Choose a category below to explore.

American Fulvic Acid

Core Science

What fulvic acid is, how it behaves, and how we think about quality, sourcing, and real-world use.

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Chain of Authenticity

Proof & Testing

Documentation, COAs, methods, and traceability—built to protect consumers and the truth in labeling.

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Information For Farmers

Field Use

Practical, grower-friendly guidance: application ideas, soil principles, and how to evaluate outcomes.

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Shilajit Information

Compare & Verify

Clear education on shilajit: terminology, sourcing issues, testing, and how to spot questionable claims.

The American Grit Journal

Updates & Notes

Research notes, sourcing updates, behind-the-scenes decisions, and what we’re learning in real time.

The Mineral Ledger

Newsletter

High-signal updates on soil science, sourcing transparency, lab documentation, and American Grit research drops.