https://supplementbrief.com/akkermansia-glp1-probiotic/https://supplementbrief.com/_astro/akkermansia-glp1-probiotic.Vji7UI00_ZIiGdw.jpgAkkermansia and GLP-1 Probiotics: Evidence Checkhttps://supplementbrief.com/images/charts/akk-shelf-doses.webpAkkermansia and GLP-1 Probiotics: Evidence CheckFigure 1. Three products, three incomparable unit systems. Nothing on the shelf tells you what dose the trials used.https://supplementbrief.com/images/charts/akk-trials-ladder.webpAkkermansia and GLP-1 Probiotics: Evidence CheckFigure 2. The whole human record at a glance: one clear win in weight maintenance, two null primaries, and a pilot whose famous numbers were secondary endpoints.https://supplementbrief.com/images/charts/akk-glp1-ladder.webpAkkermansia and GLP-1 Probiotics: Evidence CheckFigure 3. The GLP-1 ladder. The top rung, Akkermansia tested alongside actual GLP-1 drugs, is empty: no such trial is registered anywhere.https://supplementbrief.com/berberine-vs-ozempic/https://supplementbrief.com/_astro/berberine-vs-ozempic.k2QmDHb-_ACgyp.jpgBerberine vs Ozempic: What It Can and Cannot Dohttps://supplementbrief.com/berberine-with-semaglutide/https://supplementbrief.com/_astro/berberine-with-semaglutide.CKH_YENM_1yOR2v.jpgCan You Take Berberine With Semaglutide (Ozempic)?https://supplementbrief.com/images/charts/berberine-semaglutide-scale-gap.webpCan You Take Berberine With Semaglutide (Ozempic)?Figure 1. The medication moves double-digit percentages; the supplement's pooled estimates move fractions of a kilogram.https://supplementbrief.com/images/charts/berberine-lei-endpoint-scorecard.webpCan You Take Berberine With Semaglutide (Ozempic)?Figure 2. The strongest berberine trial missed both fat primaries; the wins were lipids and safety, not weight.https://supplementbrief.com/images/charts/berberine-glp1-risk-ladder.webpCan You Take Berberine With Semaglutide (Ozempic)?Figure 3. The grade climbs with what else is lowering glucose: low on a GLP-1 alone, moderate with berberine, major with insulin or a sulfonylurea.https://supplementbrief.com/biotin-for-hair-loss/https://supplementbrief.com/_astro/biotin-for-hair-loss.BN-aUWjf_Z1pPOe0.jpgBiotin for Hair Loss: The Marketing Myth vs The Evidencehttps://supplementbrief.com/clinical-trial-to-supplement-label/https://supplementbrief.com/_astro/clinical-trial-to-supplement-label.EjU5xIPw_1oNL4O.jpgWhat 'Clinically Studied' Means on a Supplement Labelhttps://supplementbrief.com/images/charts/trial-dose-gap.webpWhat 'Clinically Studied' Means on a Supplement LabelFigure 1. The citation can be real while the match is not: the studied dose and the shelf dose, on one scale, for substances that are not interchangeable.https://supplementbrief.com/images/charts/trial-funding-bias.webpWhat 'Clinically Studied' Means on a Supplement LabelFigure 2. In 206 nutrition articles, no industry-funded interventional study concluded against the sponsor's product. Independent studies did so 37 percent of the time.https://supplementbrief.com/collagen-loose-skin-after-ozempic/https://supplementbrief.com/_astro/collagen-loose-skin-after-ozempic.EUEzJp3u_1OHgS9.jpgCollagen Won't Fix Loose Skin After Ozempichttps://supplementbrief.com/images/charts/collagen-ozempic-three-problems.webpCollagen Won't Fix Loose Skin After OzempicFigure 1. Marketing collapses three problems into one powder, while the trials only speak to the third column.https://supplementbrief.com/images/charts/collagen-ozempic-trial-mismatch.webpCollagen Won't Fix Loose Skin After OzempicFigure 2. Same word on the tub, but a different population, a different endpoint, and a different clinical problem.https://supplementbrief.com/images/charts/collagen-ozempic-evidence-funnel.webpCollagen Won't Fix Loose Skin After OzempicFigure 3. The evidence funnel ends empty where the reader problem actually lives.https://supplementbrief.com/collagen-peptides-for-skin/https://supplementbrief.com/_astro/collagen-peptides-for-skin.Cc8yUbv5_d1ieS.jpgCollagen Peptides for Skin: What Actually Has Evidence?https://supplementbrief.com/constipation-on-glp1/https://supplementbrief.com/_astro/constipation-on-glp1.I2ujyCqy_1S1Ko7.jpgOzempic Constipation: Fiber, Magnesium and Probioticshttps://supplementbrief.com/images/charts/cgs-trial-rates.webpOzempic Constipation: Fiber, Magnesium and ProbioticsFigure 1. Constipation in the pivotal programs, drug arm versus placebo. The tirzepatide bar spans the label range across 5 to 15 mg.https://supplementbrief.com/images/charts/cgs-fiber-forms.webpOzempic Constipation: Fiber, Magnesium and ProbioticsFigure 2. Form physics, ranked for a slowed-transit gut: gel-forming and fermentation-resistant beats fermentable.https://supplementbrief.com/images/charts/cgs-magnesium-forms.webpOzempic Constipation: Fiber, Magnesium and ProbioticsFigure 3. Forms against evidence. The constipation trials belong to oxide; the marketing belongs to the forms without trials.https://supplementbrief.com/images/charts/cgs-probiotics-strains.webpOzempic Constipation: Fiber, Magnesium and ProbioticsFigure 4. Where the strain evidence actually stands. The shelf sells the format the meta-analysis could not validate.https://supplementbrief.com/creatine-for-women-over-40/https://supplementbrief.com/_astro/creatine-for-women-over-40.dzWvdmz5_9cI9g.jpgCreatine for Women Over 40: Trials vs. the Marketinghttps://supplementbrief.com/images/charts/creatine-women40-evidence-map.webpCreatine for Women Over 40: Trials vs. the MarketingFigure 1. Muscle and safety have the clearest human data; brain and mood claims need tighter caveats.https://supplementbrief.com/images/charts/creatine-women40-srma-outcomes.webpCreatine for Women Over 40: Trials vs. the MarketingFigure 2. The headline numbers assume resistance training and roughly 5 g/day monohydrate.https://supplementbrief.com/images/charts/creatine-women40-dose-safety.webpCreatine for Women Over 40: Trials vs. the MarketingFigure 3. Monohydrate dose is simple; tell your clinician before labs if you supplement.https://supplementbrief.com/ed-after-weight-gain/https://supplementbrief.com/images/articles/ed-after-weight-gain.pngED After Weight Gain: Why It Happens and What Reverses Ithttps://supplementbrief.com/images/charts/ed-hypogonadism-flip.webpED After Weight Gain: Why It Happens and What Reverses ItFigure 1. The hormonal channel moves with the weight: present in 64 percent of severely obese men, resolved in 87 percent after surgery.https://supplementbrief.com/images/charts/ed-why-weight-breaks-erections.webpED After Weight Gain: Why It Happens and What Reverses ItFigure 2. Two channels narrow at once, and the penile arteries signal years before the coronary ones do.https://supplementbrief.com/images/charts/ed-esposito-regain.webpED After Weight Gain: Why It Happens and What Reverses ItFigure 3. The landmark reversibility result: a third of counseled men crossed back into the normal range without any ED drug.https://supplementbrief.com/images/charts/ed-testosterone-recovery.webpED After Weight Gain: Why It Happens and What Reverses ItFigure 4. Testosterone follows the weight back down the same gradient it fell on: the bigger the loss, the more comes back.https://supplementbrief.com/electrolytes-on-ozempic/https://supplementbrief.com/_astro/electrolytes-on-ozempic.uQcfB71J_1lc5wE.jpgOzempic Electrolytes: Dehydration, Fatigue & What Helpshttps://supplementbrief.com/finasteride-and-supplements/https://supplementbrief.com/_astro/finasteride-and-supplements.BUUkO0xp_1D19nF.jpgFinasteride and Supplements: What the Trials Sayhttps://supplementbrief.com/images/charts/fin-kaufman-hair-counts.webpFinasteride and Supplements: What the Trials SayFigure 1. The yardstick: two-year hair counts from the pivotal trials in 1,553 men.https://supplementbrief.com/images/charts/fin-creatine-myth-ladder.webpFinasteride and Supplements: What the Trials SayFigure 2. Sixteen years apart: a hormone shift without hair data, then hair data without a hormone shift.https://supplementbrief.com/images/charts/fin-ashwagandha-testosterone.webpFinasteride and Supplements: What the Trials SayFigure 3. The testosterone effect is real in trials; its hair consequence on finasteride is unmeasured.https://supplementbrief.com/images/charts/fin-saw-palmetto-headtohead.webpFinasteride and Supplements: What the Trials SayFigure 4. Same target, different potency: the two-year head-to-head in 100 men.https://supplementbrief.com/glp-1-companion-supplements/https://supplementbrief.com/_astro/glp-1-companion-supplements.7j9BwIYe_gpVSU.jpgBest GLP-1 Companion Supplements 2026: Practical Frameworkhttps://supplementbrief.com/hair-loss-after-weight-loss/https://supplementbrief.com/_astro/hair-loss-weight-loss.BKZRZANU_Z1nobMQ.jpgHair Loss After Weight Loss: What Actually Helpshttps://supplementbrief.com/how-supplements-are-regulated/https://supplementbrief.com/_astro/how-supplements-are-regulated.CwG_PwDp_Z1gquCJ.jpgAre Supplements FDA Approved? How US Oversight Workshttps://supplementbrief.com/images/charts/reg-enforcement-gap.webpAre Supplements FDA Approved? How US Oversight WorksFigure 1. In one follow-up study of 31 warned products, only one was recalled. Nine remained available a mean of six years later, five of those nine contained at least one prohibited ingredient, and only two still contained the specific ingredient that prompted the original warning. Separately, an FDA official estimated annual inspection coverage at roughly 5 percent of known facilities.https://supplementbrief.com/images/charts/reg-claims-ladder.webpAre Supplements FDA Approved? How US Oversight WorksFigure 2. Authorized health claims go through FDA review before use, qualified health claims come through an enforcement-discretion letter, and structure/function claims, the language on most bottles, get no premarket review at all.https://supplementbrief.com/how-to-read-supplement-label/https://supplementbrief.com/_astro/how-to-read-supplement-label.Bti50msp_ZigMOT.jpgHow to Read a Supplement Label: The 90-Second Checklist Before You Buyhttps://supplementbrief.com/l-citrulline-vs-l-arginine-for-ed/https://supplementbrief.com/_astro/l-citrulline-vs-l-arginine-for-ed.CavFU7CS_1AeLPR.jpgL-Citrulline for ED: 2024 Systematic Reviewhttps://supplementbrief.com/magnesium-forms-compared/https://supplementbrief.com/_astro/magnesium-forms-compared.1H2NCQE8_13d50P.jpgMagnesium Forms Compared: Which One Actually Works?https://supplementbrief.com/metformin-b12-deficiency-which-form/https://supplementbrief.com/_astro/metformin-b12-deficiency-which-form.isEDHKZV_Z2wlRvs.jpgMetformin and B12 Deficiency: Which Form Helpshttps://supplementbrief.com/images/charts/metformin-b12-absorption-pathway.webpMetformin and B12 Deficiency: Which Form HelpsFigure 1. Metformin blocks the normal IF-dependent route; high-dose oral repletion uses passive diffusion. Prior stomach or major GI surgery may make IM preferable—dose beats form.https://supplementbrief.com/images/charts/metformin-b12-prevalence.webpMetformin and B12 Deficiency: Which Form HelpsFigure 2. Pooled risk data from Yang and Kakarlapudi meta-analyses. Higher dose and longer duration increase signal; population neuropathy prevalence was not proven higher.https://supplementbrief.com/images/charts/metformin-b12-lab-decision.webpMetformin and B12 Deficiency: Which Form HelpsFigure 3. Screening triggers from ADA and MUI cohort data. Prior stomach or major GI surgery and dyspeptic symptoms can justify earlier testing; gray-zone B12 often needs MMA or HoloTC before form shopping.https://supplementbrief.com/nitric-oxide-ed-supplements/https://supplementbrief.com/_astro/nitric-oxide-ed-supplements.CIdY3B09_xp4oU.jpgNitric Oxide & ED: What Supplements Actually Dohttps://supplementbrief.com/images/charts/no-ed-stacking-risk.webpNitric Oxide & ED: What Supplements Actually DoEach path alone can lower blood pressure a little. Self-stacking from the supplement aisle adds the effects together. That is why combination data comes from supervised trials, not DIY stacking.https://supplementbrief.com/nutrafol-vs-minoxidil/https://supplementbrief.com/_astro/nutrafol-vs-minoxidil.cUxSu7hC_Z1o6tvd.jpgNutrafol vs Minoxidil: Which Actually Regrows Hair?https://supplementbrief.com/omega-3-for-inflammation/https://supplementbrief.com/_astro/omega-3-inflammation.4k1jzhz3_ZkIJdh.jpgOmega-3 for Inflammation: What the 2026 Evidence Sayshttps://supplementbrief.com/orforglipron-vs-semaglutide/https://supplementbrief.com/_astro/orforglipron-foundayo.JbZJOVnk_Z1uDtud.jpgOrforglipron vs Semaglutide (Ozempic): 2026 Comparisonhttps://supplementbrief.com/images/charts/glp1-weight-loss.webpOrforglipron vs Semaglutide (Ozempic): 2026 ComparisonMean weight loss across GLP-1 options in obesity without diabetes from separate trials. Orforglipron (highlighted) sits below both Wegovy injection doses and near the Wegovy pill on raw means; a 2026 ITC after population adjustment favors oral semaglutide 25 mg by roughly three percentage points.https://supplementbrief.com/panax-ginseng-for-ed/https://supplementbrief.com/_astro/panax-ginseng-for-ed.BoocOfYm_ZMr5qx.jpgDoes Korean Red Ginseng Work for ED? Dose, Timing, and How It Compares With Viagrahttps://supplementbrief.com/images/charts/ginseng-ed-iief.webpDoes Korean Red Ginseng Work for ED? Dose, Timing, and How It Compares With Viagrade Andrade 2007 sits near the IIEF-5 clinical threshold. Cochrane's pooled estimates for both IIEF-15 and IIEF-5 sit below MCID: statistically detectable, clinically small on average.https://supplementbrief.com/protein-for-glp1/https://supplementbrief.com/_astro/protein-for-glp1.DaqU1Y2w_Za88Rs.jpgGLP-1 Protein Powders: What Won't Upset Your Stomachhttps://supplementbrief.com/retatrutide-companion-nutrition/https://supplementbrief.com/_astro/retatrutide-companion-nutrition.I5EXAP7X_1II4OE.jpgRetatrutide: Nutrition at 30% Weight Losshttps://supplementbrief.com/images/charts/rt-lean-mass-share.webpRetatrutide: Nutrition at 30% Weight LossFigure 1. The lean-mass share across the incretin class. Retatrutide's bar is dashed because the Phase 2 DXA paper described the proportion as similar without publishing the number.https://supplementbrief.com/rosemary-oil-vs-minoxidil/https://supplementbrief.com/_astro/rosemary-oil-vs-minoxidil.BF6OaOJK_1ce5D7.jpgRosemary Oil vs 2% Minoxidil: 2015 Trial Reviewhttps://supplementbrief.com/semaglutide-birth-control/https://supplementbrief.com/_astro/semaglutide-birth-control.B7gV-0Qm_2g404g.jpgSemaglutide and Birth Control: Absorption, Labels, Gapshttps://supplementbrief.com/images/charts/sbc-two-verdicts.webpSemaglutide and Birth Control: Absorption, Labels, GapsFigure 1. Same question, two labels: semaglutide sat inside the equivalence band, and tirzepatide's peaks fell by half while total exposure fell by a fifth.https://supplementbrief.com/images/charts/sbc-four-week-windows.webpSemaglutide and Birth Control: Absorption, Labels, GapsFigure 2. The interaction has a clock: strongest at the start, fading as the gut adapts, reopening at every dose step.https://supplementbrief.com/images/charts/sbc-pregnancy-signals.webpSemaglutide and Birth Control: Absorption, Labels, GapsFigure 3. The pooled human estimates sit at or around the null line; the labels keep the planning rules because certainty is low.https://supplementbrief.com/sleep-and-weight-supplements/https://supplementbrief.com/_astro/sleep-and-weight-supplements.BNK5S9DQ_Ecu4B.jpgDoes Sleeping More Help You Lose Weight?https://supplementbrief.com/images/charts/sleep-evidence-ladder.webpDoes Sleeping More Help You Lose Weight?Figure 1. Where the evidence sits, from controlled trials at the top to marketing claims at the bottom.https://supplementbrief.com/st-johns-wort-with-antidepressants/https://supplementbrief.com/_astro/st-johns-wort-with-antidepressants.DNF-BUnM_2lXmlq.jpgSt John's Wort With Antidepressants and Birth Controlhttps://supplementbrief.com/images/charts/sjw-evidence-both-sides.webpSt John's Wort With Antidepressants and Birth ControlFigure 1. The herb clears the efficacy bar in trials and clears out a list of drug levels in clinics; both ledgers belong to the same chemistry.https://supplementbrief.com/images/charts/sjw-pxr-enzyme-cascade.webpSt John's Wort With Antidepressants and Birth ControlFigure 2. The interaction is transcriptional, and that is why it builds over days and outlasts the last dose.https://supplementbrief.com/images/charts/sjw-contraception-two-extracts.webpSt John's Wort With Antidepressants and Birth ControlFigure 3. Same question, opposite answers: the variable is hyperforin, and the label does not mention it.https://supplementbrief.com/images/charts/sjw-induction-timeline.webpSt John's Wort With Antidepressants and Birth ControlFigure 4. The interaction has a clock: it builds, it holds, and it lingers after the bottle is empty.https://supplementbrief.com/supplement-industry-mid-2026/https://supplementbrief.com/_astro/supplement-industry-mid-2026.C7DqeiED_Z1VP9Nc.jpgSupplement Trends and Hype 2026: What Won't Survive 2027https://supplementbrief.com/images/charts/industry-four-shows-mid2026.webpSupplement Trends and Hype 2026: What Won't Survive 2027Figure 1. Four H1 2026 shows, four questions before a trend lands in your cart: problem, evidence tier, panel, daily use.https://supplementbrief.com/images/charts/glp1-prescription-landscape-mid2026.webpSupplement Trends and Hype 2026: What Won't Survive 2027Figure 2. Prescription GLP-1 headlines that rewrote booth copy in spring 2026 — supplements are not in this drug class.https://supplementbrief.com/images/charts/industry-narrative-shift-2025-2026.webpSupplement Trends and Hype 2026: What Won't Survive 2027Figure 3. How 2026 layered scenario SKUs and tighter claims onto 2025 social-ingredient hype, not a dollar forecast.https://supplementbrief.com/images/charts/industry-chews-rtd-buy-skip-mid2026.webpSupplement Trends and Hype 2026: What Won't Survive 2027Figure 4. Chews and RTDs, dose, sugar, polyol, and stacking rules (Buy / Skip callouts below).https://supplementbrief.com/supplement-label-vs-lab-dsid/https://supplementbrief.com/_astro/supplement-label-vs-lab-dsid.Bqcf27Zn_Z1C94V2.jpgSupplement Labels vs Lab: What NIH DSID Actually Measuredhttps://supplementbrief.com/images/charts/dsid-adult-mvm-estimates.webpSupplement Labels vs Lab: What NIH DSID Actually MeasuredFigure 1. DSID regression-derived estimates as percent of labeled at common adult MVM label levels (category 05, 2011–12 purchase cohort). Bars above 100% mean category estimates above stated label amounts at that label level.https://supplementbrief.com/images/charts/dsid-adult-mvm-rounds-drift.webpSupplement Labels vs Lab: What NIH DSID Actually MeasuredFigure 2. Measured-to-label differences in two DSID adult MVM rounds at matched label levels. Descriptive comparison only; not a trend claim.https://supplementbrief.com/supplements-for-mirtazapine-weight-gain/https://supplementbrief.com/_astro/supplements-for-mirtazapine-weight-gain.CIseUFh4_1NLrs.jpgSupplements for mirtazapine weight gain: evidence reviewhttps://supplementbrief.com/images/charts/mirtazapine-comparison.webpSupplements for mirtazapine weight gain: evidence reviewFigure. Effect sizes are point estimates from the largest or most rigorous meta-analysis available; berberine's range reflects meta-analytic disagreement (−0.88 kg in the largest, up to −2.07 kg in another). All evidence is from general overweight/obese populations — no supplement has a trial in mirtazapine-treated patients.https://supplementbrief.com/supplements-for-ssri-induced-ed/https://supplementbrief.com/_astro/supplements-for-ssri-induced-ed.Baj9UCe0_2d6pna.jpgSupplements for SSRI-induced ED: what the evidence actually showshttps://supplementbrief.com/third-party-certification-explained/https://supplementbrief.com/_astro/third-party-certification-explained.BvyEAdgd_28RF7i.jpgWhat Does Third-Party Tested Mean? NSF, USP, ConsumerLabhttps://supplementbrief.com/images/charts/third-party-certifier-matrix.webpWhat Does Third-Party Tested Mean? NSF, USP, ConsumerLabFigure. Read each row as: "what does this seal prove if I see it on a bottle?" A product with USP Verified has passed identity, potency, purity, and dissolution testing. A product with Informed Choice has passed a banned-substance screen on a sample bought at retail. They answer different questions — the matrix shows which.https://supplementbrief.com/images/charts/third-party-certifier-decision.webpWhat Does Third-Party Tested Mean? NSF, USP, ConsumerLabFigure. The decision comes down to one question for most readers. The rest is matching the seal to what you actually need verified.https://supplementbrief.com/urolithin-a-vs-nmn/https://supplementbrief.com/_astro/urolithin-a-vs-nmn.WRfrQmZF_15tRX5.jpgUrolithin A vs NMN: What Human Trials Actually Showhttps://supplementbrief.com/images/charts/urolithin-nourish-plasma-pk.webpUrolithin A vs NMN: What Human Trials Actually ShowFigure 1. Food is not a standardized intervention — direct Mitopure bypasses the microbiome lottery and delivers higher, faster plasma exposure.https://supplementbrief.com/images/charts/urolithin-atlas-endpoints.webpUrolithin A vs NMN: What Human Trials Actually ShowFigure 2. The ~12% hamstring stat from ads is real but secondary — the pre-specified primary endpoint (peak power output) did not win, and handgrip did not separate from placebo.https://supplementbrief.com/why-contaminant-tests-disagree/https://supplementbrief.com/_astro/why-contaminant-tests-disagree.QBPtN24c_1DDxrk.jpgWhy Contaminant Tests Disagree: Prop 65 vs FDA vs USPhttps://supplementbrief.com/images/charts/contam-lead-rulers.webpWhy Contaminant Tests Disagree: Prop 65 vs FDA vs USPFigure 1. Six daily lead numbers from four frameworks. The two Prop 65 lines protect different endpoints, and one capsule can sit above one line and below another at the same time.https://supplementbrief.com/images/charts/contam-protein-verdicts.webpWhy Contaminant Tests Disagree: Prop 65 vs FDA vs USPFigure 2. Two 2025 testing rounds, two benchmarks. The 2020 EPA risk model sits in its own panel because it is not a share of products flagged.https://supplementbrief.com/winter-blues-supplements/https://supplementbrief.com/_astro/winter-blues-supplements.Ccu68qBa_ZgTw54.jpgWinter Blues: 3 Supplements With Real Evidencehttps://supplementbrief.com/images/charts/saffron-depression-forest.webpWinter Blues: 3 Supplements With Real EvidenceSaffron separates from placebo (moderate effect, though the CI touches zero). Against fluoxetine, the CI crosses zero: saffron is statistically indistinguishable from a low-dose SSRI in these trials. Source: Khaksarian et al., 2019 [14] (meta-analysis of 8 RCTs).https://supplementbrief.com/images/charts/chronobiological-day.webpWinter Blues: 3 Supplements With Real EvidenceIllustrative schedule; adjust to your wake time. The logic: morning light sets the phase, daytime supplements stack on a fed base, melatonin arrives early enough to advance the clock (not at bedtime to sedate), and darkness hygiene lets endogenous melatonin rise. Sources: AAFP 2020 [5] ; Mundey 2005 [1] ; Khaksarian 2019 [14] .