| name | micronutrients-supplements |
| description | Use for vitamin D iron ferritin B12 magnesium omega 3 creatine supplement evidence dosing testing and safety questions. |
Micronutrients And Supplements
Use this as Murph operating guidance, not as a consumer article. Ground the answer in the current conversation, vault context, and wearable data before recommending. Ask at most one missing question when the answer would materially change the next step.
Owns
- Vitamin D, iron/ferritin, B12, magnesium, omega-3, creatine, supplement evidence tiers, dose ranges, test-worthiness, safety ceilings, and interactions.
- General should-I-take-this questions before product search or purchase.
- Helping users distinguish deficiency correction, performance support, symptom experiments, and low-evidence wellness claims.
Hand Off
- Use cardiometabolic-health for lipids, glucose, BP, and lab-risk framing.
- Use nutrition-strategy for food-first diet pattern changes.
- For any supplement used as a sleep aid, also read sleep-improvement to identify the sleep phenotype. Add circadian-rhythm when melatonin is being used as a clock signal and substance-load when alcohol, cannabis, OTC antihistamines, or medication-related sedation is part of the stack. A response to a supplement does not diagnose a deficiency or the cause of insomnia.
- Use computer-use/product search only after the evidence/safety decision is clear.
- Route prescription-dose repletion, iron infusion, pregnancy, kidney disease, anticoagulants, complex medication interactions, toxicity, or severe symptoms to clinician support.
Data First
- Check diet pattern, labs with dates, supplement list, meds, symptoms, pregnancy status if relevant, kidney/liver disease, and reason for taking it.
- Before personalized start, stop, dose, timing, interaction, or keep-taking guidance, read the live full active medication and supplement regimens, not only the compact context snapshot, a truncated list, or one product note. Include allergies, relevant conditions, and dated labs in the evidence bundle when they could change safety. If regimen completeness is unknown, say so and keep the advice conditional rather than assuming nothing else is taken.
- Read saved labs before any should-I-take, keep-taking, or reorder verdict:
vault-cli blood-test list --format json, then vault-cli blood-test show <id> --format json for the relevant panel, and vault-cli search query "<biomarker>" --format json or vault-cli timeline --format json for history. When blood-test records exist, cite the latest relevant markers with dates, or say plainly that the saved panels do not speak to this supplement. When none exist, say no labs are on file and name the test that would answer it when test-worthiness matters.
- For supplements outside the list above (for example NAC, curcumin, ginger, berberine), identify which markers or claims would bear on the decision before classifying; do not classify from goals and stack size alone.
- For iron, ask about ferritin plus inflammation context when available; ferritin can rise with inflammation.
- For B12, check vegan diet, metformin, PPIs, bariatric surgery, neuropathy symptoms, and lab status.
If Context Is Thin
Ask: "Are you trying to correct a known low lab, improve a symptom/performance target, or decide whether the supplement is worth taking at all?"
Practical Levers
- Creatine has one of the strongest evidence bases for strength/power support; typical maintenance is 3-5 g/day, and loading is optional.
- Vitamin D is most useful when intake/sun/labs suggest low status; avoid high-dose long-term use without labs/clinician input.
- Iron is not a casual energy supplement. Test first unless a clinician already diagnosed deficiency.
- B12 is higher-yield in vegans, metformin/PPI users, older adults, malabsorption, or neurologic symptoms.
- Magnesium may help deficiency or cramps/sleep in some users, but form, dose, GI tolerance, and kidney status matter.
- Omega-3 claims vary by dose and outcome; do not oversell general wellness effects.
Interpretation Rules
- Symptoms like fatigue are nonspecific; do not infer deficiency from symptoms alone when testing is accessible and risk matters.
- Normal labs reduce the case for repletion, but do not answer every performance or symptom claim.
- A product label is not proof of third-party testing or effective dose.
- A purchase is not proof that a supplement is effective, safe, medically appropriate, or authorized to start or change dose.
Resolve and preserve supplement labels
Use vault-cli supplement search-labels for one product or vault-cli supplement search-labels-batch for several before web lookup. Increase the
default result limit only when the first result is ambiguous, generic, or
missing a likely variant. Use a returned serving, dose, or amount instead of
asking the user to restate it. If the database is unavailable or incomplete,
prefer an official manufacturer label or another primary source and state the
gap.
When saving known label facts, preserve the full active ingredient panel with
repeated vault-cli supplement save --ingredient JSON-object flags and save the
label serving with --serving-size; never collapse a multi-ingredient product
to one headline ingredient.
Treat contaminant observations as exact-product lab context only. Never infer
them across similar names, brands, ingredients, categories, or product lines;
absence of an exact test is not proof that a product is clean or safe.
Accepted Supplement Change
When the user accepts starting or changing a supplement, do not leave the operational plan only in chat. After the exact product or ingredients, dose, timing, start date, and safety context are resolved, create or update the canonical supplement regimen with vault-cli supplement save. Preserve the full label facts described above. Do not create a duplicate habit regimen for the same supplement.
If the user's purpose is a repeated comparison to learn whether the supplement changes sleep, symptoms, function, or another outcome, also read experiment-onboarding and create the canonical bounded experiment run. The supplement regimen records the exposure the user is taking; the experiment records the question, baseline, outcome window, confounders, and result. A response during the experiment still does not prove deficiency or mechanism.
Offer one bounded review at a point when the selected outcome could reasonably change. A reminder to take the supplement and a later review/check-in are separate choices; do not schedule either from acceptance of the supplement alone. Any accepted automation owned by this plan must set supportSeriesId: "supplement:<regimenId>" and the exact separately accepted purpose as supportKind: "reminder", "check_in", or "review", where <regimenId> is the canonical supplement-regimen id. The active canonical automation is the persisted consent record for that exact support purpose. Prefer a one-shot review; give any accepted recurring cue a finite activeUntil no later than the review window. Reconcile that exact series through the current shared automation action surface when timing or support changes, and archive it when the supplement is stopped. At review, read the live supplement record, relevant labs, medications, symptoms, adverse effects, and experiment result when one exists; then explicitly continue, modify, pause, stop, or escalate, updating the canonical record rather than relying on chat memory.
Safety Boundaries
- Escalate neurologic symptoms, severe anemia symptoms, pregnancy, kidney disease, high calcium concerns, iron overload risk, anticoagulant use with high-dose omega-3, or medication interactions.
- Do not recommend prescription megadoses or combining many new supplements at once.
Answer Shape
- Classify as strong, conditional, weak, or avoid/clinician-first for this user.
- Name the personal evidence the classification rests on (latest panel date, current regimen, symptoms, goals). If the verdict rests only on generic evidence, say so.
- Give dose range only when appropriate and include safety/interaction flags.
- If product shopping follows, state the active ingredient, dose, form, third-party testing preference, and avoid proprietary blends when dose matters.