PharmaGuideThe supplement & medication co-pilot
Your supplements don't work in isolation.
Neither should your check.
Check interactions, medication-nutrient depletions, dose overlap, FDA recalls, and ingredient quality across your full stack.
Evidence-graded interactionsClinician-informed contentPrivate by design
The problem
A label tells you what's in the bottle. Not what happens with your other bottles.
Googling “X with Y” usually gives you three different answers.
Most products are checked one at a time. That’s not how people take them.
Sometimes it’s not the ingredient. It’s the timing.
4,100+
Medication harm is common
The CDC estimates thousands of emergency visits happen each day from adverse drug events. PharmaGuide focuses on one preventable blind spot: what people combine.
The first step is knowing what overlaps.
Because interactions happen between products
— not in isolation.
How it works
Three beats. No guesswork.
From scan to verdict — find the product, check it against your stack, and understand what to do next.
- 01
Scan or search.
Find products instantly from a large on-device catalog, even offline or with weak signal.
Catalog · localofflineashwagandha 600 mg0.008 smagnesium glycinate0.006 srhodiola rosea0.011 s180,000+ productson-device · no cloud - 02
Check it against your stack.
PharmaGuide compares supplements, medications, timing, and health context to surface risks people usually miss. Core interaction checks run entirely on your device.
St. John's Wort ↔ sertraline
Contraindicated
Grapefruit ↔ simvastatin
Avoid
Magnesium ↔ metformin
Monitor · space 2h
- 03
Get a clear verdict.
See the quality score, interaction flags, evidence level, and reasoning behind every recommendation — in plain language.
Vitamin D3 · 5,000 IU
Quality87Strong · USP-verified · cholecalciferol form
- 3rd-party tested
- No fillers flagged
- Evidence: established
The ladder
Not just warnings.
Reasoning.
Every verdict includes the reason, the evidence level, and what to do next. Hover or tap a tier.Tap a tier below.
Caution
Calcium + Levothyroxine
Reduced thyroid absorption
Mechanism
Calcium chelates levothyroxine in the gut, reducing absorption by up to 25–30%.
Recommendation
Separate doses by at least 4 hours. Take levothyroxine on an empty stomach.
Evidence level
EstablishedStudies
Multiple controlled studies · FDA-labeled
When evidence is incomplete, we say so directly.
Beyond interactions
Interactions are just the start.
PharmaGuide checks the full picture: interactions, nutrient depletion, dose overlap, ingredient quality, personal fit, and recall alerts.
- 01
Medication depletion
Flags common medication-linked nutrient depletion patterns.
See how - 02
Stack intelligence
Checks combinations, timing, and dose overlap across products.
See how - 03
Ingredient transparency
Shows active ingredients, excipients, blends, and label gaps.
See how - 04
Personal fit
Adapts to your age, conditions, and medications.
See how - 05
Nutrient accumulation
Catches when multiple products push the same nutrient too high.
See how - 06
Recall + safety alerts
Surfaces recalls, safety concerns, and adverse-event signals.
See how
Built for real life
The moments people don't realize
they need this.
From morning prescriptions to trending supplements, PharmaGuide catches the combinations people usually miss.
The vitamins you've taken for years
Caution · Calcium + Levothyroxine
Pregnancy changes more than your routine
Caution · High-dose Vitamin A
When your doctor adds something new
Avoid · St. John's Wort + Sertraline
Your gym stack, all together
Caution · Combined caffeine load
The supplements your parents take now
Caution · Ginkgo + Aspirin
Healthy can still overlap badly
Monitor · Multiple magnesium sourcesYour Fit
High quality doesn't always mean
right for you.
PharmaGuide gives you two reads on every product — objective quality, and personal fit.
Quality is what's in the bottle.
Fit is everything around it.
Magnesium Glycinate · 400 mg
Excellent quality · 3rd-party tested · clean ingredient list
- 2 timing notes
- 1 interaction to review
- No high-risk conflicts detected
Personalized to your stack · updates when your stack changes
Opening in waves.
Join the beta and be among the first to use PharmaGuide as we prepare for launch.
Free during beta·No credit card·We never sell your health data
Inside the beta
- 01
Scan & search
180,000+ product catalog, pre-loaded on your device. Sub-10ms lookup, even offline.
- 02
Verdicts with reasoning
Every interaction includes the mechanism, evidence level, and recommendation — in plain English.
- 03
Personal Fit
Adapts to your conditions, medications, and goals. Recomputed fresh, never cached, never sold.
+ everything that ships at launch