{"uid":"cap_p-cXbEoilID0uqyXAPOcz","slug":"fitpulse-supplement-stack-review-dosing-timing-by-goal-8d94198d","name":"FitPulse Supplement Stack Review — Dosing & Timing by Goal","description":"Supplement stack review / dosing & timing by goal: evaluate which supplements to take. Returns evidence-based tier ratings, recommended dosing, and timing for a goal-based stack. Fitness-info for fitness and nutrition agents, not medical advice.","url":"https://fitpulse.theaslangroupllc.com/api/fit/supplement?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["goal"],"properties":{"goal":{"type":"string","description":"e.g. muscle-gain, fat-loss, endurance, recovery, general-health"},"lang":{"type":"string","description":"lang"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"errors":{"type":"object","description":"Documented error responses, keyed by HTTP status code","additionalProperties":{"type":"object","required":["description"],"properties":{"example":{"type":"object"},"description":{"type":"string"}}}},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","errors":{"400":{"example":{"error":"goal parameter required"},"description":"Invalid or missing parameter(s) — required: goal. Returned before the payment gate on paid requests, so a malformed call is never charged. JSON body: { error: <what is wrong and how to fix it> } plus usage hints."},"402":{"description":"Payment required — x402 v2 challenge; the accepts array lists scheme, network, and amount. Retry the same request with a PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1) header. Verification is free."},"500":{"example":{"error":"upstream_failed"},"description":"Unexpected server error. If a payment settled without a usable result, contact info@theaslangroupllc.com with the settlement tx hash for a re-run or credit."}},"example":{"goal":"muscle-gain","tier_1_supplements":[{"dose":"3-5g/day","name":"Creatine Monohydrate","evidence":"strong"}]}},"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":{"p10Cents":"8.0000","medianCents":"8.0000","p90Cents":"8.0000","minCents":"8.0000","maxCents":"8.0000","p95Cents":"8.0000","sampleCount":1,"varies":false,"failureChargeRate":1},"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_c8yVxHB4sHaFYSBfJUsdF","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 evidence-based tier ratings, recommended dosing, and timing for a supplement stack tailored to a specific fitness goal.","exampleAgentPrompt":"What supplements should I take for muscle building, and when should I take them? I want evidence-based tier ratings and exact dosing recommendations for a strength and hypertrophy goal.","exampleUseCases":[{"title":"Fat loss supplement stack plan","prompt":"I'm trying to cut body fat while keeping my muscle mass. Can you put together an evidence-based supplement stack for fat loss, with dosing amounts and the best times to take each one throughout the day?"},{"title":"Endurance athlete supplement timing","prompt":"I'm training for a marathon and want to know which supplements are actually worth taking for endurance performance. Give me tier ratings, how much to take, and whether I should be taking them before or after my runs."},{"title":"Bulking stack with dosing schedule","prompt":"I'm starting a lean bulk and want a complete supplement stack to support muscle and strength gains. What should I be taking, how much of each, and when — morning, pre-workout, post-workout? I want the recommendations backed by real evidence."}],"resultDescription":"A structured response containing evidence-based tier ratings for relevant supplements, recommended daily doses, and timing guidance (pre-workout, post-workout, morning, etc.) tailored to the specified fitness goal — clearly marked as fitness information, not medical advice.","failureModes":["Unrecognized or vague goal returns a generic or empty stack","Missing goal parameter causes a 400 bad request error","Overly broad goal (e.g. 'get healthy') may produce low-confidence or minimal results","Network timeout or service unavailability returns a 5xx error"],"whenToPreferThis":"Use this endpoint when a user wants evidence-graded supplement recommendations with specific dosing and timing for a named fitness goal (e.g. fat loss, muscle gain, endurance). Prefer this over a general supplement efficacy ranker when the user needs a complete, actionable stack with dosing schedules rather than just a tier list.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T06:40:06.637Z","isFirstParty":false,"canonicalSlug":"fitpulse-supplement-stack-review-dosing-timing-by-goal-8d94198d"}