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Supplement analysis

Articles

Label teardowns, safety explainers, and score-driven supplement buying guides built to be scanned quickly and checked against source links.

For research and educational purposes only. Not medical advice.

Buyer hub

Best greens powders of 2026

A score-driven ranked guide connected to every product scorecard.

Scorecards

Reviews for ranked products

Browse product-level score snapshots for all 18 green powders.

Comparisons

AG1 vs alternatives

Head-to-head pages for product comparison questions.

Calculators

Supplement label tools

Price, scoop, transparency, and COA unit tools connected to the label-literacy articles.

Focused buyer guides

List pages built from the score snapshot

View the full buyer hub

Product comparisons

Head-to-head pages for buyer searches

View all comparisons

AG1 vs Green Vibrance

A score-first comparison of AG1 and Green Vibrance using the current NutriScore snapshot.

AG1 vs Bloom Greens

A direct scorecard comparison for buyers choosing between AG1 and Bloom Greens & Superfoods.

AG1 vs Organifi

A comparison of AG1 and Organifi across overall score, safety, efficacy, transparency, and published teardown links.

Green Vibrance vs Opti Greens 50

A close-score comparison of the current #2 and #3 greens powders in the NutriScore rankings snapshot.

AG1 vs Total Living Drink Greens

A wide-score comparison between AG1 and the current top-ranked product in the NutriScore snapshot.

Jocko Greens vs AG1

A close-score comparison for buyers checking Jocko Greens against AG1.

Live It Up vs Green Vibrance

A score-first comparison of Live It Up Super Greens and Green Vibrance using the current rankings snapshot.

Bloom vs Amazing Grass

A tied-score comparison for two AG1 alternative searches already represented in the rankings snapshot.

Bloom vs Organifi

A direct comparison of Bloom Greens & Superfoods and Organifi Green Juice by current NutriScore snapshot data.

Organifi vs Live It Up Super Greens

A scorecard comparison for buyers checking Organifi against Live It Up's Super Greens.

Green Vibrance vs Organifi

A clinical-dose vs organic adaptogen comparison of Green Vibrance and Organifi Green Juice.

AG1 vs Live It Up

A direct head-to-head comparison of AG1 and Live It Up Super Greens using current NutriScore snapshot scores.

AG1 vs Opti-Greens 50

A direct head-to-head comparison of AG1 and Opti-Greens 50 using current NutriScore snapshot scores.

Bloom vs Live It Up

A direct comparison of Bloom Greens and Live It Up Super Greens using current NutriScore snapshot scores.

AG1 vs Ghost Greens

A score-first comparison between AG1's 75-ingredient blend and Ghost Greens' 100% transparent label panel.

Green Vibrance vs Amazing Grass

A direct comparison between clinically dosed Green Vibrance and budget grocery staple Amazing Grass Green Superfood.

Peptide evidence and research-use labels

Separate supplement labels, research-use vials, concentration math, and human evidence.

Label reading and claim checks

Decode doses, serving math, claims, additives, allergens, and disclosure language.

Label reading hub

Label hub

Supplement label reading guides for smarter comparisons

How to read Supplement Facts panels like an auditor: decode proprietary blends, verify testing badges, and calculate clinical doses.

Last reviewed: 2026-08-13

Safety guide hub

Safety hub

Supplement safety guides for testing, COAs, and labels

Essential safety guides for heavy-metal screening, COA literacy, third-party certifications, allergen warnings, and label evaluation.

Last reviewed: 2026-08-13

GLP-1 claim guide

Boundary guide

GLP-1 satiety supplements: what the label can prove

GLP-1 language has spread into supplement marketing well ahead of the evidence. What a satiety claim needs to show, and where the medication boundary sits.

Last reviewed: 2026-10-07

Transparency guide

Label guide

Clean-Label Supplements: Proprietary Blends and COAs

How to decode proprietary blends, European titanium dioxide bans, heavy metal limits, and ISO 17025 lab testing behind clean-label supplement marketing.

Last reviewed: 2026-10-07

Mineral label guide

Basics guide

Essential Minerals: Chelated Forms, Dosing, and Labels

Why chelated minerals outperform oxide salts, how zinc and copper compete, and how to spot buffered magnesium tricks on supplement labels.

Last reviewed: 2026-10-07

Longevity claim guide

Evidence guide

NAD+ boosters and cellular energy: an evidence guide

Cellular-energy products use nicotinamide riboside, nicotinamide mononucleotide, and coenzyme Q10. Compare their evidence, form, dose, and marketing.

Last reviewed: 2026-10-07

Format guide

Shop the drinks

Liquid drinks versus gummies, chews, and powder labels

A Revive bottle is one 50 ml serving, with 10 g sugars and 9 g protein printed. The box says 10,000 mg marine collagen.

Last reviewed: 2026-10-06

Energy label guide

Ingredient guide

Clean Energy Labels: Matcha, Ginseng, and Beet Root

How matcha caffeine, L-theanine synergy, ginsenosides, and beet root nitrates deliver clean energy without proprietary stimulants or afternoon crashes.

Last reviewed: 2026-10-07

Clinical evidence

Immune guide

Immune Supplements: Evidence, Dosing, and Disease Claims

What clinical trials prove about vitamin C, vitamin D3, zinc, and botanicals, how to avoid megadose risks, and where legal supplement claims stop.

Last reviewed: 2026-09-01

Claim language guide

Boundary guide

Supplement claim words: what the evidence should prove

Detox, immune, anti-aging, mood support. A method for testing whether a front-panel word is attached to a named ingredient, an amount, and real evidence.

Last reviewed: 2026-09-01

Gut label guide

Strain guide

How to decode probiotic strains, CFU, and labeled dose

A CFU count states a quantity, but without strain names it cannot be linked to strain-specific evidence. How to read probiotic dose and storage.

Last reviewed: 2026-09-01

Dose math guide

Dose guide

Supplement serving traps: scoops, gummies, and math

One serving can be two scoops or four gummies. Learn how declared servings change daily intake, container math, and cost.

Last reviewed: 2026-09-01

Stimulant label guide

Safety guide

Caffeine on supplement labels: find every stimulant

How to identify stimulant sources, collect declared amounts, and confirm a caffeine total across products.

Last reviewed: 2026-09-01

Safety label guide

Safety guide

Allergen and cross-contact warnings on supplement labels

Allergen statements and precautionary warnings vary widely in how much they tell you. What specific warning text looks like, and when to ask a clinician.

Last reviewed: 2026-09-01

Nutrient form guide

Form guide

Vitamin and mineral forms: how to read label names

How to read compound forms and labeled amounts for magnesium, iron, vitamin D, vitamin A, and vitamin K.

Last reviewed: 2026-09-01

Nutrition label guide

Label math

Fiber, carbs, and sugar: how to compare label math

Fiber grams, sugar alcohols, and total carbs across powders and ready-to-drink formulas. How to compare two labels at the same serving size.

Last reviewed: 2026-09-01

Additive clarity guide

Additive guide

How to read sweetener and flavoring terms on labels

Natural flavors, lightly sweetened, and a list of sweetener names. How to read the flavor system without letting it stand in for the dose table.

Last reviewed: 2026-09-01

Greens powder guide

Label guide

Do greens powders replace vegetables? The label answer

A practical answer to whether greens powders count as vegetables, with fiber, serving size, Supplement Facts, and testing checks.

Last reviewed: 2026-08-13

Protein guide hub

Protein hub

Protein guides for intake, powders, timing, and labels

Comprehensive protein guides covering daily requirements, timing, collagen, absorption, powder usefulness, storage, whey, and plant protein.

Last reviewed: 2026-08-13

Label scam guide

Scam guide

Supplement label scams: FDA-approved claims and fake badges

A practical scam-detection guide for FDA-approved supplement claims, fake or weak testing badges, proprietary blends, and clinically studied dose language.

Last reviewed: 2026-08-13

Brand teardown

Scorecard

Green Vibrance teardown: label transparency leads the case

A label-first checklist for reviewing Green Vibrance ingredient disclosure, price context, testing records, and warning information.

Last reviewed: 2026-08-13

Brand teardown

Scorecard

Opti Greens 50 teardown: value, label, and dose review

A label-first checklist for reviewing Opti Greens 50 value, probiotic and enzyme positioning, blend math, and testing records.

Last reviewed: 2026-08-26

Mineral label guide

Label guide

Magnesium glycinate vs oxide: compare forms and labels

A label-first guide to elemental magnesium, glycinate marketing, oxide tradeoffs, Daily Value math, and tolerance claims.

Last reviewed: 2026-08-14

Label claim guide

Claim guide

GLP-1-friendly supplements: marketing label or real thing?

A conservative read of GLP-1-friendly supplement claims, protein and fiber marketing, medication-adjacent caveats, and what the label should prove.

Last reviewed: 2026-08-13

Easy methodology guide

Score guide

How NutriScore grades greens powder labels and claims

A plain-English guide to NutriScore's buyer score: label transparency, dose clarity, testing posture, claim discipline, additives, and price context.

Last reviewed: 2026-08-13

Easy label guide

Label guide

Sucralose, Red 40, and gums: a supplement label guide

A practical guide to sweeteners, colors, gums, flavors, and what additive lists can tell you about a powder label.

Last reviewed: 2026-08-26

Protein label guide

Label math

Whey isolate vs concentrate: compare the label math

A plain-English read of whey isolate, whey concentrate, protein grams, calories, allergens, and when the upgrade is worth caring about.

Last reviewed: 2026-08-14

Easy label guide

Dose guide

Clinically significant dose vs whatever is on the label

A plain-English guide to matching supplement dose claims against the label, the evidence, and the math hiding behind clinically studied language.

Last reviewed: 2026-08-13

Easy label guide

Label guide

Fairy dusting in supplements: how tiny doses can hide

A lighter NutriScore guide to tiny-dose label theater, proprietary blends, and how to tell when a buzzy ingredient is doing more marketing than work.

Last reviewed: 2026-08-13

Easy label guide

Label guide

Proprietary blend is a red flag: how to read past it

A plain-English guide to what proprietary blends tell you, what they hide, and how to read the blend without assuming the worst.

Last reviewed: 2026-08-14

Brand teardown

Scorecard

Organifi Green Juice: label, evidence, and safety review

A checklist for reviewing Organifi's label, price, ashwagandha claims, testing documents, and safety fit.

Last reviewed: 2026-08-13

Brand teardown

Scorecard

Is AG1 worth the monthly price? Label and evidence

A label-first score of AG1's testing posture, current pricing, hidden individual doses, and whether the convenience earns the premium.

Last reviewed: 2026-08-26

Safety, testing, and regulation

Read contamination, certification, COA, storage, and regulatory guides.

Contamination guide

Safety guide

Why Does Organifi Have a Cancer Warning? Prop 65 Explained

A factual breakdown of why Organifi Green Juice carries a California Proposition 65 warning, what lab tests show for lead, and who should avoid it.

Last reviewed: 2026-09-23

Safety guide

Risk guide

Shilajit supplements: benefits, risks, and quality checks

How to check shilajit source, purification, standardization, and heavy-metal testing before weighing benefit claims.

Last reviewed: 2026-10-07

Quality verification guide

Quality guide

Batch testing and lot numbers: what a COA can miss

Batch-tested sounds authoritative until you ask what was measured, in which sample, and against which limits. How to read lot numbers and reports.

Last reviewed: 2026-09-01

Protein storage guide

Storage guide

Does protein powder expire? Read the date and storage

A practical guide to best-by dates, shelf-life claims, clumps, moisture, smell checks, and when an old protein tub is not worth the gamble.

Last reviewed: 2026-08-13

Protein safety guide

Safety guide

Is protein powder good for you? A practical buyer guide

A buyer-first read on protein powder usefulness, heavy-metal concerns, testing signals, allergens, serving math, and label checks.

Last reviewed: 2026-08-13

Protein safety guide

Safety guide

Protein powder contamination: regulation and COA checks

Use the safety guide to review protein-powder labels, COAs, exposure questions, vulnerable-group cautions, and regulatory records.

Last reviewed: 2026-08-26

Contamination law guide

Law guide

California SB 1033: the protein heavy-metal testing bill

Open the bill-text guide for the sections to compare: product scope, testing, public disclosures, timing, and buyer questions.

Last reviewed: 2026-08-13

Testing guide

Testing guide

NSF Certified for Sport vs Informed Sport: what badges mean

A practical guide to sport supplement certification badges, vague third-party testing claims, and what a missing badge does or does not tell you.

Last reviewed: 2026-08-13

Contamination guide

Safety guide

Why concentrated greens powders need heavy-metal tests

The water-removal math behind concentrated plant powders, heavy-metal testing, and why a buyer-useful COA needs serving-size numbers.

Last reviewed: 2026-08-13

Contamination guide

Safety guide

How much lead is in your greens powder? What tests show

A buyer-focused read of public lead testing, Prop 65, FDA reference levels, ConsumerLab notices, and what a useful COA should show.

Last reviewed: 2026-08-13

Protein guides

Compare intake, timing, absorption, quality, sources, and powder formats.

Collagen shop guide

Shop collagen

Liquid collagen drinks for skin, hair, nails, joints

Shop four Heivy collagen liquids. The Revive box says 10,000 mg. The dropper panels print 50 mg and 40,000 mcg.

Last reviewed: 2026-10-06

Protein GLP-1 guide

Evidence guide

Protein and GLP-1: shakes for satiety and muscle mass

How to evaluate protein shakes on GLP-1 medications: leucine thresholds, muscle preservation, gastric emptying, fiber, and label marketing.

Last reviewed: 2026-09-01

Protein timing guide

Timing guide

Protein timing and the anabolic window: what matters

A plain-English read on post-workout protein timing, the anabolic window, daily protein, and when a shake actually solves a meal gap.

Last reviewed: 2026-08-13

Protein quality guide

Quality guide

Does collagen count as protein? The amino acid catch

A practical guide to collagen protein grams, tryptophan, complete protein, and how to count collagen without over-crediting the label.

Last reviewed: 2026-08-14

Protein digestion guide

Absorption guide

How protein digestion and absorption actually work

A practical guide to protein digestion, amino-acid absorption, protein quality, fast-absorbing claims, and what powder labels should prove.

Last reviewed: 2026-08-14

Protein intake guide

Gram guide

How much protein do you need per day? The no-hype gram guide

A simple answer to daily protein grams, active-person ranges, meal timing, protein maxxing, and when powder is just convenience.

Last reviewed: 2026-08-13

Protein scoop math

Dose guide

How much protein powder do you need? Calculate the gap

A simple way to calculate daily protein targets, food-first intake, scoop gaps, and when an extra serving is just expensive powder.

Last reviewed: 2026-08-14

Protein source guide

Source guide

Plant protein vs whey: what "complete protein" really means

A practical guide to complete protein, essential amino acids, whey, soy, pea and rice blends, allergens, and label clarity.

Last reviewed: 2026-08-14

Brand teardowns and comparisons

Compare scores, prices, labels, certification, and current product evidence.

Ingredients and evidence

Understand minerals, botanicals, probiotics, hydration, and emerging formats.

Ingredient evidence guide

Evidence guide

NAC supplements (N-acetyl-L-cysteine): benefits and risks

Prescription drug uses, mixed disease-specific and recovery evidence, safety constraints, Australian classification, and dated product-label evidence.

Last reviewed: 2026-07-29

Mood & gut axis guide

Evidence guide

Mood-support supplements: calm, sleep, and gut health

How clinical trials evaluate the gut-brain axis, psychobiotic strains, magnesium, and L-theanine without falling for multi-claim proprietary blends.

Last reviewed: 2026-09-01

Personalization guide

Subscription audit

Personalized Vitamins and AI: Quizzes, DNA, and Limits

Why AI vitamin quizzes and DNA tests cannot replace blood biomarkers, how health data gets monetized, and how to audit personalized pill subscriptions.

Last reviewed: 2026-09-01

Botanical science

Formulation guide

Matcha, Fermentation, and Yuzu: Bioactive Reality vs Hype

How shade-grown matcha, botanical fermentation, and yuzu flavonoids work biologically, and how to verify caffeine, CFU viability, and extract purity.

Last reviewed: 2026-09-01

Formulation audit

Routine guide

All-in-One Supplements: Volume Limits, Timing, and Truth

Why 10-in-1 supplements fail physical dosing limits, how mineral competition blocks absorption, and how to unbundle your daily routine for real results.

Last reviewed: 2026-09-01

Gut microbiome guide

Evidence guide

Synbiotics, probiotics, prebiotics, and postbiotics

How to check strain IDs, CFU viability through expiration, prebiotic fiber doses, and postbiotic definitions before buying gut health supplements.

Last reviewed: 2026-09-01

Sleep science guide

Evidence guide

Sleep supplements beyond melatonin: a cautious guide

What clinical trials say about magnesium glycinate, L-theanine, and valerian for sleep architecture, latency, and GABA mechanics without melatonin.

Last reviewed: 2026-09-01

Adaptogen guide

Claim guide

Adaptogens for Stress: Ashwagandha, Rhodiola, and Cortisol

How ashwagandha withanolides and Rhodiola rosavins modulate stress and cortisol, why adrenal fatigue is a myth, and key liver and thyroid safety cautions.

Last reviewed: 2026-10-07

Mushroom guide

Evidence guide

Functional Mushrooms: Lion's Mane, Reishi, and Evidence

How lion's mane hericenones and reishi beta-glucans support cognition and immunity, why mycelium on grain dilutes potency, and how to verify beta-glucans.

Last reviewed: 2026-10-07

Women's health guide

Caution guide

Women's Health Supplements: Hormones, Inositol, and Iron

The science of inositol 40:1 ratios, chelated iron, and 5-MTHF folate. How to audit women's health labels without falling for hormone-balance hype.

Last reviewed: 2026-10-07

Creatine guide

Evidence guide

Creatine for performance and cognition: evidence guide

What clinical trials show for creatine in brain bioenergetics, memory, and physical fatigue, plus blood-brain barrier kinetics and dosing.

Last reviewed: 2026-09-01

Certification guide

Quality guide

Supplement certification badges: what they really prove

NSF and USP marks say something real about manufacturing and far less about efficacy. What to check behind a badge or a third-party-tested claim.

Last reviewed: 2026-09-01

Vitamin D drops

Shop D3

Heivy liquid vitamin D3 drops, 100 mcg 4000 IU dropper

Heivy pineapple D3 drops are 100 mcg (4000 IU) per 1 ml. That amount is the adult upper limit on the ODS sheet.

Last reviewed: 2026-10-06

Chlorophyll drops

Shop chlorophyll

Heivy chlorophyll liquid drops for body odor, 60 servings

The panel lists chlorophyll 50 mg (as sodium copper chlorophyllin) from mulberry leaves and copper 2 mg (220% DV) per 1 ml.

Last reviewed: 2026-10-06

Lemon balm extract

Shop lemon balm

Botanic Choice lemon balm liquid extract, 1 fl oz dropper

The page facts list 240 mg of 3:1 lemon balm extract per 1 mL. The bottle says 1 fl oz. Trial doses were 300 to 900 mg.

Last reviewed: 2026-10-04

Ingredient evidence guide

Evidence guide

Bovine colostrum: benefits, evidence, and product limits

A sourced guide to bovine colostrum supplements, immune and gut claims, product variability, milk-allergen labeling, and practical buyer checks.

Last reviewed: 2026-08-14

Ingredient guide

Dose guide

Creatine for women: what the renaissance is actually about

A source-grounded guide to creatine monohydrate, women-focused marketing, evidence limits, dose clarity, and testing posture.

Last reviewed: 2026-08-26

Easy ingredient guide

Ingredient guide

Electrolyte mixes: how to read sodium and minerals

A light guide to sodium, potassium, magnesium, hydration claims, and how to read electrolyte packets without overbuying the hype.

Last reviewed: 2026-08-13

Ingredient guide

Dose guide

Creatine monohydrate, gummies, and key forms compared

A label-first read of creatine forms, gummies, premium claims, grams per serving, and why monohydrate remains the default to beat.

Last reviewed: 2026-08-13