{"product_id":"polygala-tenuifolia","title":"Polygala tenuifolia","description":"\u003cp\u003eDescription: Elm \u0026amp; Rye Polygala tenuifolia delivers 500 mg of standardized root extract per serving, sourced from a plant used in Traditional Chinese Medicine for centuries to support cognitive function and memory. Preclinical research indicates that active compounds including tenuifolin and onjisaponins may upregulate brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF), proteins involved in neuronal maintenance and synaptic plasticity. Each batch is third-party tested for purity and potency, with no fillers or proprietary blends.\u003c\/p\u003e","brand":"Elm \u0026 Rye","offers":[{"title":"Capsules \/ Single","offer_id":48351979831508,"sku":"ER-POLYGALA-TENUIFOLIA-SINGLE","price":79.99,"currency_code":"USD","in_stock":true},{"title":"Capsules \/ 2-Pack","offer_id":48351979864276,"sku":"ER-POLYGALA-TENUIFOLIA-2PK","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Capsules \/ 4-Pack","offer_id":48351979897044,"sku":"ER-POLYGALA-TENUIFOLIA-4PK","price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/5309\/8141\/files\/er-product-polygala-tenuifolia.png?v=1784823576","url":"https:\/\/elmandrye.com\/products\/polygala-tenuifolia","provider":"Elm \u0026 Rye","version":"1.0","type":"link"}