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Protein abundance is not proof of a direct target or human cognitive benefit. Product supplied by Nutrition 21; compound-specific comparisons remain scoped.\nexposure: 42 rats; biotin alone or with chromium histidinate, picolinate or both; 12-week exposure\nevidence_span: {\"source_cache\": \"artifacts/chromium-research/30680172.abstract.txt\", \"locator\": \"Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"71e98d2ad542eca99d6726b7fb592f311b609e32c0b071375979fb1b79b632c2\", \"start_char\": 0, \"end_char\": 1282, \"text_sha256\": \"71e98d2ad542eca99d6726b7fb592f311b609e32c0b071375979fb1b79b632c2\"}\n[chromium-p30680172] Effect of supplementing chromium histidinate and picolinate complexes along with biotin on insulin sensitivity and related metabolic indices in rats fed a high-fat diet. 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