{"uid":"cap_8FU9kVPvEqlixGkN1ryF4","slug":"fitpulse-supplement-efficacy-ranker-27672aae","name":"FitPulse Supplement Efficacy Ranker","description":"Supplement efficacy ranking / what supplements actually work: evidence-graded tier list by goal. Returns a PubMed-grounded ranking (creatine and more) with recommended dosing and timing, filtered by budget and dietary restrictions. Fitness-info for fitness and nutrition agents, not medical advice.","url":"https://fitpulse-vert.vercel.app/api/fit/supplements","method":"GET","headers":{},"bodySchema":{"type":"object","required":["goal"],"properties":{"goal":{"type":"string","description":"Fitness goal (muscle-gain, fat-loss, endurance, recovery, general-health)"},"lang":{"type":"string","description":"Response language"},"budget":{"type":"string","description":"Monthly budget for supplements (e.g. $50, $100, $200)"},"restrictions":{"type":"string","description":"Dietary restrictions or intolerances (vegan, lactose-free, etc.)"}}},"responseSchema":{"type":"json","example":{"goal":"muscle-gain","tier_1_essentials":[{"dose":"3-5g/day","supplement":"Creatine Monohydrate","evidence_grade":"A"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.08","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.08/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.08","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.08","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VvWdWakPjDATMVstCjzsO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.08","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a PubMed-grounded, evidence-graded tier list of supplements ranked by fitness goal, with dosing and timing guidance.","exampleAgentPrompt":"Can you give me an evidence-graded tier list of supplements for muscle building, including what dosage to take and when — I want it grounded in actual PubMed research, not marketing claims.","exampleUseCases":null,"resultDescription":"A PubMed-grounded tier list of supplements organized by the specified fitness goal, each with an evidence grade (e.g. A/B/C), recommended dosing amounts, optimal timing (pre/post-workout, with meals, etc.), and citations or references to supporting research.","failureModes":["Missing or unrecognized fitness goal parameter returns an error or empty result","Overly broad or ambiguous goal may yield a generic rather than targeted tier list","Service unavailability returns a 402 or 5xx error","Invalid query parameters may result in a 400 bad request"],"whenToPreferThis":"Choose this endpoint when an agent needs scientifically grounded, evidence-graded supplement recommendations tied to a specific fitness goal — not just generic product suggestions. Ideal for nutrition or fitness agents that need PubMed-backed rankings with dosing and timing, rather than anecdotal or marketing-driven advice.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:41:28.289Z","isFirstParty":false}