Superpower (superpower.com) and Rythm Health (rythmhealth.com) are two popular direct-to-consumer blood biomarker testing services. They target health optimization, longevity, and proactive monitoring rather than traditional diagnostic lab work. Have you tried any of these services?
TL;DR (Rythm vs. Superpower Blood Testing)
Rythm is great for monthly affordable tests with limited biomarkers/panels they test. Superpower is more expensive but more comprehensive and more of a once/year baseline snapshot view with great support and insights.
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Core Comparison
- Rythm Health: Monthly at-home subscription (~$79/mo + shipping/tax, ~$100 effective). Uses painless Tasso+ device (small upper-arm sample, free pickup). ~25–30 core biomarkers focused on hormones (Test total/free, E2, SHBG, etc.), lipids/ApoB, hsCRP/inflammation, ferritin/Vit D, thyroid (TSH/FT3), metabolic markers, basic CBC/liver/kidney. Strong on trends and frequent optimization.
- Superpower ($199/yr base or $399 in NY) for one annual 100+ biomarker panel (deep screen: advanced lipids/Lp(a), full hormones/thyroid, metabolic, liver/kidney, nutrients, CBC, bio age, etc.). Standard lab draw (or at-home extra). Broader for early detection + AI protocols + 24/7 care team.
Key Tradeoffs:
- Rythm: Wins on convenience (painless monthly), trend tracking, and feedback loops — ideal for your TRT (dose/E2 monitoring), peptides (inflammation/recovery), Retatrutide, fitness recomp, ferritin/Accutane effects.
- Superpower: Wins on breadth/depth and value for one comprehensive check + support ecosystem.
- Pricing/Value: Rythm for ongoing ($100/test monthly); Superpower for deep annual ($199–399/test).
Recommendation 🧬
Start with Rythm for monthly actionable data on your stack/training (perfect complement to Helix360). Add Superpower (or Function) annually for full screening. Both HSA/FSA eligible; not medical advice — share with your doc.
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Rythm AI Features
- Dashboard: Personalized insights, % trends (e.g., “Ferritin +18% — great for energy”), goal-linked explanations, visuals.
- Actionable Tips: Supplement/lifestyle/diet suggestions per marker. 💪
- Unlimited AI Coaching/Chat: Ask context-aware follow-ups on your results/history.
- Focus: Optimization via trends (strong for biohacking/TRT adjustments).
Overall: Rythm fits your frequent-monitoring lifestyle best; combo with a broad annual test is powerful.
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Deep Dive:
Rythm focuses on frequent, convenient at-home testing of a focused core panel (~25+ biomarkers) with strong trend tracking. Superpower emphasizes one broad annual deep-dive panel (100+ biomarkers) plus ongoing AI + human support and data integration.
Both are HSA/FSA eligible, use clinical-grade labs, and provide results via dashboards/apps. Neither replaces medical advice—discuss results with your doctor.
Pricing & Value (mid-2026)
Rythm:
• $79/month subscription (ships every 30 days).
• First month often discounted 25% (~$59.25) + shipping & tax.
• Effective ongoing cost: ~$95–110/month (shipping/tax typically adds $15–25).
• Annual equivalent: ~$1,000–1,300+ (flexible skips reduce this).
• Includes kit, free home pickup, processing, results, and AI insights.
• 30-day money-back guarantee. Skip up to 90 days or cancel anytime.
Superpower:
• $199/year core membership (includes 1× 100+ biomarker panel).
• Pricing (Varies by state area): $399/year.
• Add-ons increase cost: at-home phlebotomist (~$119 extra), retests/additional panels (~$179 each), advanced panel or specific tests (toxins, gut, Galleri cancer screen) extra.
• Extremely low cost per broad panel compared to ordering similar tests individually ($500–2,000+ elsewhere).
Value verdict: Rythm wins for frequent testing (cheap per monthly data point). Superpower wins dramatically for breadth in a single annual test.
For my TRT/peptides/fitness focus, Rythm’s cadence gives tighter feedback loops on hormone/metabolic shifts.
Collection & Convenience.
Rythm uses the Tasso+ device — a small, painless, button-activated capillary blood collector applied to the upper arm. It yields a small plasma sample (enough for their validated assays: lipids, hormones, thyroid, vitamin D, inflammation, apolipoproteins). Kits ship to you monthly; free FedEx home pickup after collection. Results in <72 hours (if returned promptly). All 50 states. Extremely convenient and needle-phobic friendly.
Superpower uses a standard venous blood draw (multiple tubes) at a Quest Diagnostics lab or partner (~2,000+ locations) or at-home mobile phlebotomist (extra fee). More invasive and time-consuming than Tasso. Results typically 7–10 days.
Winner on convenience: Rythm by a wide margin.
Biomarkers & Panels Tested
Rythm (~25+ core biomarkers in one optimized panel designed for frequent/monthly tracking and small-sample validation):
Key categories and examples (compiled from official site, reviews, and reseller panels):
• Hormone Balance: Testosterone (total/free), Estradiol/Estrogen, Progesterone, SHBG (prominently featured in “Mens Plus” style panels).
• Heart Health / Lipids & Inflammation: ApoB, LDL-C, HDL-C, Triglycerides, TG/HDL ratio, LDL-C/ApoB ratio (particle size proxy), hsCRP.
• Metabolic Efficiency / Nutrients: Vitamin D, Ferritin (iron stores), Uric Acid, Fructosamine (short-term glycation marker), Albumin.
• Thyroid Function: TSH, Free T3 (likely Free T4 in fuller versions).
• Liver & Kidney: Creatinine and CMP elements (liver enzymes noted in some panels).
• CBC / Blood Elements (recently expanded): Hemoglobin, Hematocrit (+ others like RBC in additions).
• Other mentions: Magnesium support in recommendations.
Strengths: Excellent for tracking trends in hormones, lipids/ApoB, inflammation, iron, vitamin D, thyroid, and short-term metabolic markers. In-house lab validates assays specifically for Tasso’s small volume. Recent additions expanded the panel without price increase.
Limitations: Narrower scope than 100+ services. Not designed for heavy metals, extensive toxins, full NMR advanced lipids, or dozens of rarer markers.
Superpower (100+ biomarkers across ~21 categories in one broad annual panel):
Covers far more ground for screening and early detection of 1,000+ conditions:
• Cardiovascular/Heart: Advanced lipids (ApoB, Lp(a), particle size/fractionation), traditional lipids, inflammation markers.
• Metabolic: Glucose, HbA1c, Insulin (and related).
• Sex Hormones: Comprehensive panel (Total/Free Testosterone, SHBG, Estradiol, Progesterone, DHEA-S, etc.).
• Thyroid: Full panel including antibodies (TSH, Free T4/T3, TPO, TgAb).
• Liver/Kidney: Full CMP (ALT, AST, GGT, Bilirubin, Creatinine, eGFR, BUN, etc.).
• Nutrients & Iron: Vitamins (D, B12, etc.), minerals, full iron studies.
• Inflammation & Immune: hsCRP + additional markers/cytokines.
• CBC: Full with differential.
• Longevity/Biological Age: Derived scores and related markers.
• Other categories: Cancer risk markers, immune regulation, and more (some advanced/derived markers restricted in NY/NJ).
Strengths: Much broader and deeper for comprehensive screening. Includes many markers a standard physical (~14–15 tests) misses.
Limitations: Annual snapshot unless you pay for retests. Some advanced markers unavailable or restricted by state.
Winner on depth: Superpower.
Winner on frequent optimization tracking: Rythm.
Insights, Support & Features
Rythm: AI-powered dashboard focused on trends (e.g., “Your ferritin increased 18% — supports better energy/oxygen transport”) + personalized actionable suggestions and tips for each marker. Unlimited AI coaching/insights. Strong emphasis on how lifestyle, training, supplements, or TRT/peptides affect your numbers month-to-month. HIPAA-aligned, in-house processing.
Superpower: Detailed reports with 17 health scores + biological age assessment. Clinician-grade action plans. Advanced AI chat (full context from your data). 24/7 access to private care team. Personalized protocols (diet, lifestyle, supplements) that integrate labs + uploaded past records + wearables (Oura, Whoop, Apple Health). Data centralization hub. Access to add-on tests, prescriptions, peptides, and supplements.
Winner on support ecosystem: Superpower (AI + human team + integration). Rythm excels at simple, frequent, trend-focused optimization insights.
Pros & Cons Summary
Rythm Pros:
• Painless at-home collection (huge win).
• Monthly frequency for real-time feedback on TRT, peptides, training, diet, and recovery.
• Affordable per test + strong trend visualization.
• Focused, validated panel for optimization.
Rythm Cons:
• Narrower biomarker set.
• Ongoing monthly subscription cost.
• Small sample limits some advanced assays.
Superpower Pros:
• Exceptional breadth (100+ markers) and value for one deep annual screen.
• Strong AI + human support + data integration.
• Excellent for broad screening and early detection.
• Very low annual cost for the depth.
Superpower Cons:
• Less frequent (annual unless paying extra).
• Standard blood draw (more invasive).
• NY pricing doubles the cost; add-ons add up for retesting.
• Snapshot vs. continuous trends.
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My personal research
For my profile (TRT at ~140 mg/week, peptide stack including BPC-157/TB-500/CJC/etc., Retatrutide, Accutane, hypertrophy training, high-protein recomp, ferritin/iron monitoring, hormone optimization, and body composition tracking), Rythm aligns extremely well. Monthly painless testing of hormones, ApoB/lipids, hsCRP, ferritin, vitamin D, thyroid, and metabolic markers lets you see precise impacts of dose adjustments, training blocks, or peptide protocols in near real-time—something annual testing can’t provide.
Superpower is excellent as a complementary annual deep baseline (or every 6–12 months) to catch anything outside Rythm’s focused panel and benefit from its broader screening + support team.
Many optimization-focused users combine both: frequent narrow/trend testing (like Rythm) + occasional broad screening (like Superpower).
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Next steps:
• Visit rythmhealth.com (check current first-month discount and exact current biomarker list — they’ve been adding markers). • Visit superpower.com (confirm your state pricing and any promos; review full biomarker categories). • Both sites have dashboards/examples once you start.
Here’s a deeper dive with the latest specifics on biomarker lists (as of July 2026), how they align with my research journey TRT/peptides/fitness/Accutane routine, and comparisons to similar services like Function Health.
I pulled fresh details from their sites and reliable reviews.
Updated Biomarker Details
Rythm Health (~25–30+ core biomarkers, one focused panel):
• Hormone Balance: Total Testosterone, Free Testosterone (males), SHBG, Estradiol (E2), Progesterone (females only).
• Heart Health / Lipids & Inflammation: ApoB, LDL-C, HDL-C, Triglycerides, TG/HDL ratio, LDL-C/ApoB ratio, hsCRP.
• Metabolic / Nutrients / Iron: Vitamin D, Ferritin, Uric Acid, Fructosamine, Albumin.
• Thyroid: TSH, Free T3 (often with related markers).
• Liver/Kidney: Creatinine and CMP elements (liver enzymes).
• Blood / CBC Elements (recent expansions): Hemoglobin, Hematocrit, and others.
• Additional notes: Focused on plasma-friendly assays validated for small Tasso+ samples (lipids, hormones, thyroid, vit D, ApoB, inflammation, iron). They’ve added markers without raising prices.
This panel is deliberately narrower and repeatable for trend tracking (e.g., monthly ferritin response to peptides/supplements, estradiol on TRT/Anastrozole, hsCRP with training/recovery, lipids on diet changes).
Superpower (100+ biomarkers across 21 categories):
• Broad coverage including:
• Cardiovascular: Advanced lipids (ApoB, Lp(a), particle size/NMR elements), traditional lipids, inflammation.
• Metabolic: Glucose, HbA1c, Insulin.
• Hormones: Comprehensive sex hormones (Testosterone total/free, SHBG, Estradiol, Progesterone, DHEA-S, etc.), full thyroid (TSH, FT3/FT4, antibodies like TPO/TgAb).
• Liver/Kidney: Full CMP (enzymes, Creatinine, eGFR, BUN, etc.).
• Nutrients/Immune/CBC: Vitamins/minerals (incl. D, B12, iron studies), full CBC with diff, hsCRP + additional inflammatory/immune markers.
• Longevity / Other: Biological age scores, cancer risk markers, etc.
• Some derived/advanced markers (e.g., certain antibodies, NMR fractionation, IGF-1, Vitamin K) restricted or unavailable in NY/NJ.
Superpower excels at comprehensive screening and early detection.
Fit to Your Routine:
• Both test key hormones (Test, E2, SHBG). Rythm’s monthly cadence is ideal for dose/Anastrozole adjustments and seeing short-term fluctuations.
• Peptides (BPC-157, TB-500, CJC/Ipamorelin, etc.) + Retatrutide: Rythm tracks inflammation (hsCRP), metabolic efficiency (fructosamine, uric acid), and recovery markers frequently. Ferritin/iron and vitamin D are heavily featured — critical with your stack and Accutane.
• Fitness/Recomp (204 lbs → 185 goal, high protein, running, hypertrophy): Lipids/ApoB, hsCRP, thyroid, metabolic markers for training/nutrition response. Rythm for monthly feedback on progress; Superpower for deeper annual metabolic/liver/kidney/lipoprotein insights.
• Accutane side effects (dryness, potential flares, headaches): Inflammation, liver/kidney, and nutrient markers (Vit D, ferritin) help monitor.
• Both support optimization but Rythm’s trends + AI tips shine for iterative biohacking like yours.
Comparison to Function Health (Popular Alternative)
• Function: ~$365/year for 2 panels (100+ markers each, broader than Rythm, similar depth to Superpower). Lab draws. Strong dashboard/trends but less frequent than Rythm and no 24/7 care team like Superpower. Often cited as more comprehensive but pricier per draw than Superpower’s base.
• Rythm is cheapest/most convenient for monthly; Superpower best pure value for breadth; Function a balanced middle (more tests/year than Superpower base).
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Quick Recommendation Recap
• Start with Rythm for your needs — monthly painless tracking of TRT/hormones, inflammation, ferritin, lipids, thyroid, and metabolic markers will give actionable, frequent insights without hassle. Complements your Helix360 dashboard and optimization focus perfectly.
• Add Superpower (or Function) annually for the full 100+ deep screen (especially useful in NY for the $399 version if you want extras).
• Total cost example: Rythm (~$1,200/yr monthly) + Superpower ($399 one-time deep dive) = powerful combo.
Check current promos/discounts directly (sites update frequently).
Rythm Health’s AI Interpretation Features focus on turning monthly biomarker data into actionable, personalized insights and trend analysis rather than just raw numbers. This aligns well with frequent testing (your TRT, peptides, training, and recomp goals) by highlighting how changes in lifestyle, supplements, dosing, or habits affect your results over time.
Core AI Features (from Rythm’s site and user reports)
• Unlimited Personalized AI Insights: After each test, the dashboard generates explanations tied to your specific results and trends.
• Example: “Your ferritin increased by 18% compared to last month. This trend supports healthy energy production and oxygen transport. This increase suggests your body has responded well to recent dietary changes…”
• It contextualizes against your goals (e.g., energy, hormone balance, metabolic fitness, heart health) and provides context like “optimal” vs. personal baseline ranges (built after ~3 tests).
• Trend Tracking & Visualization: AI compares current results to prior months, showing percentage changes, graphs, and pattern recognition. This is the big differentiator from annual services — e.g., seeing lipid/ApoB shifts from diet tweaks, estradiol response to Anastrozole adjustments, hsCRP improvements from recovery protocols, or ferritin/thyroid responses to peptides and training load.
• Actionable Suggestions & Optimization Tips: Per-biomarker recommendations, such as supplement timing/dosing (e.g., Vitamin D, Magnesium), dietary adjustments, exercise tweaks, or lifestyle changes. These are evidence-based and goal-oriented (e.g., “Improve Energy” or heart health targets). Not medical prescriptions — general tips you’d discuss with your doctor.
• Unlimited AI Coaching/Chat: Interactive chat within the dashboard for follow-up questions. Ask things like “How does this testosterone level relate to my training split?” or “Suggestions for optimizing hsCRP given my current peptide stack?” It uses your full history for context.
How It Works in Practice
1. You complete the painless Tasso+ test → sample picked up → results in <72 hours.
2. AI processes against your historical data, personal baselines (strengthens after 3+ tests), and stated goals.
3. Dashboard delivers a summary + deep dives with visuals, explanations, trends, and tips.
4. You can chat for more tailored follow-ups.
Strengths for You:
• Excellent for iterative optimization: Monitor TRT (hormones), peptides (inflammation/recovery), Retatrutide (metabolic), Accutane effects (liver/inflammation/nutrients), and fitness progress (lipids, ferritin, metabolic markers) month-to-month.
• Simple, motivational interface with progress visuals (e.g., % improvements in hormone balance, metabolic fitness, heart health).
• Privacy-focused (HIPAA-aligned, in-house lab).
Limitations (important to note):
• AI is supportive/educational, not a doctor — always cross-reference with your prescriber (e.g., for TRT dosing or Anastrozole adjustments).
• Quality depends on consistent testing (recommended monthly initially for baseline).
• Focused panel means insights stay within ~25–30 markers; no ultra-advanced or rare markers.
User Feedback: Reviews praise the ease, speed, and helpfulness of insights (e.g., life-changing cholesterol alerts, motivation from visible trends). Many note it’s more practical for ongoing biohacking than one-off comprehensive panels.
If you sign up, the AI dashboard is the star feature — many describe it as making bloodwork “fun” and motivating.
Cheers,
Luka 🧬