Taurine lowers inflammaging by regulating the NLRP3 inflammasome in macrophages

Probably not a substantial claim: may not pass S3 (load-bearing).

CALERIE Phase 2 calorie restriction group participants accomplished 14% of the intended calorie restriction.

“CR group participants accomplished 14% of CR.”

• cites [29] Spadaro, 2022, Caloric restriction in humans reveals immunometabolic regulators of health span, Science sourceSupported
• cites [66] Kraus, 2019, 2 years of calorie restriction and cardiometabolic risk (CALERIE): exploratory outcomes of a multicentre, phase 2, randomised controlled trial, Lancet Diabetes Endocrinol. sourceDisputed

  The Results section (“Intervention adherence, body weight and composition”; page unavailable) reports that the CR group averaged 11.7% calorie restriction over the two-year intervention, not 14%. The Methods state that the prescribed target was 25%. (LLM, conf=0.90)

  Checked by a reasoning model — may be wrong.

  Experimental — accuracy not yet measured
• cites [67] Mishra, 2026, Exoproteome of calorie-restricted humans identifies complement deactivation as an immunometabolic checkpoint reducing inflammaging, Nat Aging sourceSupported

Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

NLRP3 inflammasome activation initiates assembly and caspase-1 activation, leading to GSDMD-mediated pore formation, release of IL-1β and IL-18, and pyroptotic cell death.

“This initiates inflammasome assembly and caspase-1 activation, leading to gasdermin-D (GSDMD)-mediated pore formation, the release of interleukin (IL)-1β and IL-18, and pyroptotic cell death.27”

• cites [27] Barnett, 2023, A 360° view of the inflammasome: Mechanisms of activation, cell death, and diseases, Cell sourceSupported

May combine two claims.

NLRP3 inflammasome activation increases glycolytic metabolites such as fructose 1,6-biphosphate via PFK-1 and reduces NAD, with no change in cystine or betaine.

“NLRP3 inflammasome activation also increased glycolytic metabolites45 such as fructose 1, 6-biphosphate via phosphofructokinase-1,46 alongside reduced nicotinamide adenine dinucleotide (NAD) (Figure 2A), a key cofactor in redox reactions,47 with no change in cystine (the oxidized dimeric form of cysteine) or betaine, an organic osmolyte in the methionine cycle (Figures 2B and Figure S2C).”

• cites [45] Mills, 2016, Succinate Dehydrogenase Supports Metabolic Repurposing of Mitochondria to Drive Inflammatory Macrophages, Cell sourcePartly supported

  The Results section, under “Glycolytic ATP production,” reports that LPS boosts glycolysis in macrophages, supporting the general glycolysis point attached to citation 45. It does not establish that NLRP3 inflammasome activation increases glycolytic metabolite concentrations. The PFK-1 and NAD statements have separate citations, while the cystine and betaine observations refer to the citing paper’s figures; they are not attributed to this source. Page numbers are unavailable in our copy. (LLM, conf=0.84)

  Experimental — accuracy not yet measured
• cites [46] Amara, 2021, Selective activation of PFKL suppresses the phagocytic oxidative burst, Cell sourceSupported
• cites [47] Shim, 2021, Intracellular NAD+ Depletion Confers a Priming Signal for NLRP3 Inflammasome Activation, Front. Immunol. sourceSupported

Probably not a substantial claim: may not pass S3 (load-bearing).

Multiple longevity interventions in rodents are associated with rewiring of the transsulfuration pathway that feeds into taurine synthesis.

“Multiple longevity interventions in rodents have been associated with the rewiring of the TSP that feeds into taurine synthesis.34–38”

• cites [34] Tyshkovskiy, 2019, Identification and Application of Gene Expression Signatures Associated with Lifespan Extension, Cell Metab. sourcePartly supported

  In Results and Discussion, under “Common gene signatures of longevity interventions” (page unavailable), the paper reports increased hepatic expression of Cth after most lifespan-extending interventions in mice. That supports a change in one sulfur-metabolism gene, but the passage links Cth to glutathione and H2S production; it does not establish rewiring of the transsulfuration pathway feeding into taurine synthesis. (LLM, conf=0.84)

  Experimental — accuracy not yet measured
• cites [35] Uthus, 2006, Methionine flux to transsulfuration is enhanced in the long living Ames dwarf mouse, Mech. Ageing Dev. sourcePartly supported

  The Discussion (p. 444–450; specific page unavailable) reports greatly enhanced transsulfuration flux in long-lived Ames dwarf mice, supporting this source as one example of altered transsulfuration associated with longevity. It does not address taurine synthesis or establish the claim across multiple longevity interventions; its discussion of a downstream product focuses on glutathione. (LLM, conf=0.83)

  Experimental — accuracy not yet measured
• cites [36] Tyshkovskiy, 2023, Distinct longevity mechanisms across and within species and their association with aging, Cell sourceNot checked — no full text of the source
• cites [37] Rao, 1990, Role of the transsulfuration pathway and of gamma-cystathionase activity in the formation of cysteine and sulfate from methionine in rat hepatocytes, J. Nutr. sourceNot checked — no full text of the source
• cites [38] Lee, 2025, Cysteine depletion triggers adipose tissue thermogenesis and weight loss, Nat. Metab. sourceSupported

Classified as probably not a substantial claim.

Reduction of NLRP3 extends lifespan in mice.

“reduction of NLRP3 extends lifespan in mice,11,12”

• cites [11] Marín-Aguilar, 2020, NLRP3 inflammasome suppression improves longevity and prevents cardiac aging in male mice, Aging Cell sourceSupported
• cites [12] Navarro-Pando, 2021, Inhibition of the NLRP3 inflammasome prevents ovarian aging, Sci. Adv. sourceSupported

Probably not a substantial claim: may not pass S3 (load-bearing).

FMO2 has been shown to extend lifespan in Caenorhabditis elegans.

“which has been shown to extend lifespan in Caenorhabditis elegans.68,69”

• cites [68] Choi, 2023, FMO rewires metabolism to promote longevity through tryptophan and one carbon metabolism in C. elegans, Nat. Commun. sourceSupported
• cites [69] Leiser, 2015, Cell nonautonomous activation of flavin-containing monooxygenase promotes longevity and health span, Science sourceSupported

Probably not a substantial claim: may not pass S3 (load-bearing).

SLC36A1 (PAT1) has been reported to transport taurine.

“As SLC36A1 (PAT1) has also been reported to transport taurine,65”

• cites [65] Anderson, 2009, Taurine uptake across the human intestinal brush-border membrane is via two transporters: H+-coupled PAT1 (SLC36A1) and Na+- and Cl(-)-dependent TauT (SLC6A6), J. Physiol. sourceSupported

Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

Taurine has been linked to protection from inflammation in SARS-CoV-2 viral infection and reduces oxidative damage by formation of taurine haloamines.

“In addition, taurine has been linked to protection from inflammation in SARS-CoV-2 viral infection and reduces oxidative damage by the formation of taurine haloamines.71,72”

• cites [71] Thomas, 2020, COVID-19 infection alters kynurenine and fatty acid metabolism, correlating with IL-6 levels and renal status, JCI Insight sourcePartly supported

  The Discussion (pp. 12–13) describes taurine as an antioxidant depleted in patients with COVID-19 and proposes taurine supplementation as a potential intervention. It does not show that taurine protects against inflammation during SARS-CoV-2 infection or say that it reduces oxidative damage through formation of taurine haloamines. (LLM, conf=0.86)

  Experimental — accuracy not yet measured
• cites [72] Sabaka, 2021, Role of interleukin 6 as a predictive factor for a severe course of Covid-19: retrospective data analysis of patients from a long-term care facility during Covid-19 outbreak, BMC Infect. Dis. sourceCould not verify

  The Background and Discussion address COVID-19 inflammation and IL-6 as a marker of severe disease, but do not discuss taurine. Searches for taurine, taurine haloamines, and oxidative damage found no passage supporting either attributed effect. (LLM, conf=0.76)

  Experimental — accuracy not yet measured

Probably not a substantial claim: may not pass S3 (load-bearing).

238 metabolically healthy adults (BMI 22.0-27.9 kg/m2, age 25-45) were enrolled in CALERIE Phase 2 and randomized to a 25% calorie restriction intervention versus an ad-libitum control group.

“238 metabolically healthy adults (BMI: 22.0– 27.9 kg/m2, Age: 25–45) were enrolled in the study from Pennington Biomedical Research Center (PBRC, Baton Rouge, LA), Washington University (St. Louis, MO) and Tufts University (Boston, MA) (NCT00427193)”

• Also stated in: § 18 Cell 190, 1–18, January 7, 2027 · plain

  “Study participants were randomized assigned to the 25% CR intervention versus ad-libitum control group who continued their habitual diet.”

• cites [29] Spadaro, 2022, Caloric restriction in humans reveals immunometabolic regulators of health span, Science sourcePartly supported

  The CALERIE-II passages (section labeled Abstract; page unavailable) identify a two-year calorie-restriction study in healthy volunteers and refer to control participants. Our copy does not state that 238 people were enrolled, their specified BMI and age ranges, the three enrollment sites, or random assignment to a 25% restriction target versus ad-libitum control. It reports approximately 14% restriction achieved, which does not establish or rule out a 25% assigned target. (LLM, conf=0.84)

  Experimental — accuracy not yet measured
• cites [66] Kraus, 2019, 2 years of calorie restriction and cardiometabolic risk (CALERIE): exploratory outcomes of a multicentre, phase 2, randomised controlled trial, Lancet Diabetes Endocrinol. sourcePartly supported

  The Results report that 238 participants began baseline assessments, but only 220 were randomized; the claim overstates the number randomized. Methods > Study population supports the BMI range and three clinical centers, and Methods > Treatment assignment and intervention supports the 25% calorie-restriction and ad-libitum arms. The stated age range of 25–45 is not supported: the paper describes men aged 21–50 and women aged 21–47. (LLM, conf=0.92)

  Experimental — accuracy not yet measured
• cites [67] Mishra, 2026, Exoproteome of calorie-restricted humans identifies complement deactivation as an immunometabolic checkpoint reducing inflammaging, Nat Aging sourcePartly supported

  Methods > Human participants identifies CALERIE-II as a multicenter randomized trial involving healthy, non-obese adults. Results > CR rewires the directionality of the human exoproteome toward longevity pathways identifies a Pennington cohort, but the paper describes 42 participants in its proteomics analysis, not the claimed 238 enrollees. Our copy does not substantiate the exact BMI and age ranges, the Washington University and Tufts sites, or a 25% restriction assignment; it reports 14% calorie restriction after two years. (LLM, conf=0.85)

  Experimental — accuracy not yet measured

Probably not a substantial claim: may not pass S3 (load-bearing).

Prior reports suggest swelling-evoked taurine release in the brain, including astrocytes and neurons.

“Prior reports suggest swelling-evoked taurine release in the brain, including astrocytes and neurons.74,75”

• cites [74] Estévez, 1999, Induction of nitric oxide-dependent apoptosis in motor neurons by zinc-deficient superoxide dismutase, Science sourceNot checked — no full text of the source
• cites [75] Haskew-Layton, 2008, Two Distinct Modes of Hypoosmotic Medium-Induced Release of Excitatory Amino Acids and Taurine in the Rat Brain In Vivo, PLoS One sourceSupported

Probably not a substantial claim: may not pass S3 (load-bearing).

Taurine can boost the cellular uptake of small D-peptides by endocytosis or trogocytosis.

“It has been shown that taurine can boost the cellular uptake of small D-peptides by endocytosis or trogocytosis.81”

• cites [81] Zhou, 2015, Taurine Boosts Cellular Uptake of Small D-Peptides for Enzyme-Instructed Intracellular Molecular Self-Assembly, J. Am. Chem. Soc. sourcePartly supported

  The Abstract reports that taurine conjugation boosts uptake of small D-peptides and identifies dynamin-dependent endocytosis and macropinocytosis as uptake pathways. It does not identify trogocytosis; the citing sentence appears to substitute that term for macropinocytosis. (LLM, conf=0.90)

  Experimental — accuracy not yet measured

Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

CALERIE Phase 2 is a multi-center, parallel-group, randomized controlled trial recruiting non-obese healthy individuals.

“CALERIE Phase 2 is a multi-center, parallel group, randomized controlled trial recruiting non-obese healthy individuals.”

• cites [29] Spadaro, 2022, Caloric restriction in humans reveals immunometabolic regulators of health span, Science sourcePartly supported

  The study text describes CALERIE as a clinical trial in healthy volunteers and identifies CALERIE-II participants and a control group (section labeled Abstract; page unavailable). It does not state that participants were non-obese or that the trial was multicenter, randomized, and parallel-group. (LLM, conf=0.84)

  Experimental — accuracy not yet measured
• cites [66] Kraus, 2019, 2 years of calorie restriction and cardiometabolic risk (CALERIE): exploratory outcomes of a multicentre, phase 2, randomised controlled trial, Lancet Diabetes Endocrinol. sourceSupported
• cites [67] Mishra, 2026, Exoproteome of calorie-restricted humans identifies complement deactivation as an immunometabolic checkpoint reducing inflammaging, Nat Aging sourcePartly supported

  The Methods section (“Human participants”; page not specified) describes CALERIE-II as a multicenter randomized controlled trial and identifies its sampled participants as non-obese and healthy. It does not specify a parallel-group design, so that part of the claim is not verified by our copy. (LLM, conf=0.87)

  Experimental — accuracy not yet measured

May combine two claims.

Taurine blocks NLRP3 inflammasome activation in Nrf2-deficient macrophages, indicating an Nrf2-independent mechanism.

“Notably, taurine also blocked NLRP3 inflammasome activation in Nrf2-deficient macrophages (Figures 3E, S3I, and S3J), indicating an Nrf2-independent mechanism.”

May combine two claims.

Taurine inhibits caspase-1 cleavage in Gsdmd−/− macrophages responding to ATP and hypotonic stress, consistent with taurine acting upstream of caspase-1, prior to GSDMD cleavage.

“Taurine also inhibited caspase-1 cleavage in Gsdmd− /− macrophages responding to ATP (Figures S4I and S4J) and hypotonic stress (Figures S4K and S4L), consistent with taurine acting upstream of caspase-1, prior to GSDMD cleavage.”

May combine two claims.

Taurine supplementation significantly enhances rotarod performance and grip strength in aged mice.

“Notably, taurine significantly enhanced rotarod performance and grip strength (Figure 1K)”

May combine two claims.

Taurine supplementation upregulates Uba52 and Cmss1 and inhibits B2m in taurine-regulated cells.

“Top taurine-regulated genes in these cells shared common hubs, including the upregulation of Uba52 and Cmss1 and inhibition of β2 microglobulin (B2m) (Figures 1N and S1Q).”

May combine two claims.

Aging is associated with higher hypotaurine and lower homocysteine, cystathionine, and cysteine sulfinic acid, with no change in cysteine.

“Aging was also associated with a broader remodeling of the TSP, including higher hypotaurine (Figure S1I) and lower homocysteine, cystathionine, and cysteine sulfinic acid, with no change in cysteine (Figure S1J).”

May combine two claims.

Taurine supplementation reduces mortality from sepsis and inflammasome-mediated inflammation in aged mice.

“reduces mortality from sepsis and inflammasome-mediated inflammation”

May combine two claims.

Restoring intracellular K+ with KCl does not prevent taurine efflux, suggesting taurine efflux occurs upstream of inflammasome activation.

“Restoring intracellular K+ with potassium chloride (KCl), which blocks inflammasome activation, did not prevent taurine efflux (Figures 3C and 3G), suggesting that taurine efflux occurs upstream of inflammasome activation.”

May combine two claims.

Taurine levels are significantly higher in aged mouse heart, spleen, lung, kidney, liver, VAT, and SAT, but not in BAT or skeletal muscle.

“with significantly higher levels in aged heart, spleen, lung, kidney, liver, visceral adipose tissue (VAT), and subcutaneous adipose tissue (SAT) (Figure 1G), but not in brown adipose tissue (BAT) or skeletal muscle (Figure S1L), in mice.”

May combine two claims.

Taurine supplementation inhibits NLRP3 inflammasome activation without affecting K+ efflux.

“Surprisingly, taurine supplementation inhibited NLRP3 inflammasome activation without affecting K+ efflux (Figure 3F).”

May combine two claims.

Sustained caloric restriction elevates adipose tissue taurine and is accompanied by lower inflammation in humans.

“In humans, sustained caloric restriction elevates adipose tissue taurine and is accompanied by lower inflammation.”

• Also stated in: § Highlights · plain

  “Calorie restriction elevates taurine and lowers inflammation in humans”

May combine two claims.

Taurine restoration in macrophages prevents NLRP3-induced trans-Golgi network disassembly, thereby suppressing NLRP3 inflammasome activation.

“Taurine restoration in macrophages prevents NLRP3-induced trans-Golgi network disassembly, thereby suppressing NLRP3 inflammasome activation.”

May combine two claims.

Imiquimod does not trigger K+ efflux, and taurine supplementation does not alter intracellular K+.

“As expected, imiquimod did not trigger K+ efflux, and taurine supplementation did not alter intracellular K+ (Figure S5G).”

May combine two claims.

Macrophages in taurine-containing medium show neither taurine efflux nor measurable IL-1β.

“In contrast, macrophages in a taurine-containing medium showed neither taurine efflux nor measurable IL-1β (Figure 2J).”

May combine two claims.

Under hypotonic stress, taurine diminishes cell swelling and partially preserves mitochondrial structural integrity in inflammasome-activated macrophages.

“Under hypotonic stress, taurine also diminished cell swelling (Figure S7B) and partially preserved mitochondrial structural integrity in inflammasome-activated macrophages (Figures S7C–S7E).”

May combine two claims.

Taurine supplementation slightly reduces body weight and fat mass without affecting lean mass in aged mice.

“slightly reduced body weight and fat mass without affecting lean mass (Figures S1N and S1O)”

May combine two claims.

The same mice showed no differences in body temperature or weight loss.

“without differences in body temperature or weight loss (Figure S12O).”

May combine two claims.

In myeloid-specific Slc6a6-deficient mice, peritoneal macrophages had comparable IL-1β, which remained sensitive to taurine supplementation.

“but comparable IL-1β, which remained sensitive to taurine supplementation (Figure S11J).”

The quote only partly states this claim.

Taurine-free culture reduced intracellular taurine in Cdo1-deficient macrophages.

“However, taurine-free culture reduced intracellular taurine (Figures 6K and 6L)”

May combine two claims.

CR reduced IL-1β-inducible genes CCL13 and TNFAIP6, with trends in reduction of CXCL2, IL-8, and CCL2.

“and reduced the IL-1β-inducible genes CCL13 and TNFAIP6, with a trend in the reduction of CXCL2, IL-8, and CCL2 (Figure 7H).”

Probably not a substantial claim: may not pass S3 (load-bearing).

Taurine supplementation did not affect body weight.

“without affecting body weight (Figure S9H).”

May combine two claims.

CR reduced cysteine and GSH but increased hypotaurine and taurine in SAT.

“Among the top altered metabolites, CR reduced cysteine and GSH but surprisingly increased hypotaurine and taurine (Figures 7B and 7C).”

The quote only partly states this claim.

Similar effects were observed across other NLRP3 activators in Cdo1-deficient macrophages.

“with similar effects across other NLRP3 activators (Figures 6O and 6P).”

May combine two claims.

Slc6a6−/− BMDMs responded to the NLRP3 stimulator similarly to controls, with comparable IL-1β secretion, caspase-1 release, GSDMD cleavage, LDH release, and ASC oligomerization.

“Slc6a6− /− BMDMs responded to the NLRP3 stimulator similarly to controls, with comparable IL-1β secretion (Figure S10C), caspase-1 release (Figure S10D), GSDMD cleavage (Figure S10E), LDH release (Figure S10F), and ASC oligomerization (Figure S10G).”

May combine two claims.

Taurine does not inhibit NLRP3 priming, caspase-11, NLRC4, or AIM2 inflammasome activation.

“Taurine does not inhibit NLRP3 priming, caspase-11, NLRC4 or AIM2 inflammasome activation, related to Figure 4”

May combine two claims.

In cross-sectional analyses, taurine did not decline with age; instead, taurine increased in sera of older humans and mice.

“In our cross-sectional analyses, taurine did not decline with age; instead, taurine increased in the sera of older humans and mice”

Probably not a substantial claim: may not pass S3 (load-bearing).

The scRNA-seq dataset was annotated into 16 cell types, including adipocytes, adipose stem and progenitor cells (ASPCs), vascular cells, and immune cells.

“The dataset was annotated into 16 cell types, including adipocytes, adipose stem and progenitor cells (ASPCs), vascular cells and immune cells.”

May combine two claims.

Taurine efflux is not the consequence of pyroptosis; taurine still effluxes when exposed to NLRP3 activators in Nlrp3−/−, Asc−/−, and Gsdmd−/− macrophages.

“This efflux is not the consequence of pyroptosis as in Nlrp3− /− , Asc− /− , and Gsdmd− /− macrophages; taurine still effluxes when exposed to NLRP3 activators.”

Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

Taurine limits inflammation and preserves cell volume as an organic osmolyte.

“taurine limits inflammation and preserves cell volume as an organic osmolyte.32”

• cites [32] Warskulat, 1997, Taurine is an osmolyte in rat liver macrophages (Kupffer cells), J. Hepatol. sourceNot checked — no full text of the source

May combine two claims.

Taurine efflux occurs in vivo in response to NLRP3 stimuli, driving downstream NLRP3 inflammasome activation.

“Together, these data show that taurine efflux occurs in vivo in response to NLRP3 stimuli, driving downstream NLRP3 inflammasome activation.”

May combine two claims.

Taurine's anti-inflammasome effect is K+ independent, and taurine and K+ efflux are likely separately regulated pathways converging on NLRP3 inflammasome activation.

“Together, these results indicate that taurine's anti-inflammasome effect is K+ independent and that taurine and K+ efflux are likely separately regulated pathways converging on NLRP3 inflammasome activation.”

May combine two claims.

Taurine supplementation maintains TGN integrity, preventing a key upstream step in NLRP3 inflammasome activation.

“These data indicate that taurine supplementation maintains TGN integrity, preventing a key upstream step in NLRP3 inflammasome activation.”

Probably not a substantial claim: may not pass S3 (load-bearing).

Activation of the TSP that generates cysteine and culminates in production of GSH and taurine has previously been associated with pro-longevity interventions.

“Activation of the TSP that generates cysteine and culminates in production of GSH and taurine has previously been associated with pro-longevity interventions.36,70”

• cites [36] Tyshkovskiy, 2023, Distinct longevity mechanisms across and within species and their association with aging, Cell sourceNot checked — no full text of the source
• cites [70] Mota-Martorell, 2021, Methionine transsulfuration pathway is upregulated in long-lived humans, Free Radic. Biol. Med. sourceNot checked — no full text of the source

Probably not a substantial claim: may not pass S3 (load-bearing).

Taurine is synthesized from cysteine via CDO1 and CSAD.

“Because taurine is synthesized from cysteine via CDO1 and CSAD (Figure S12A)”

Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

In the scRNA-sequencing analysis, possible doublets (cells with more than 8000 genes) and low-quality cells (mitochondrial reads greater than 15% of total counts) were filtered out.

“We filtered out possible doublet with number of genes per cell larger than 8000. We further filtered out low-quality cells with mitochondria reads larger than 15% of the total counts.”

Probably not a substantial claim: may not pass S3 (load-bearing).

Treated BMDMs were washed with PBS at least 3 times to rule out culture medium taurine contamination before taurine measurement.

“Treated BMDMs were washed with PBS at least 3 times to rule out the culture medium taurine contamination.”

Probably not a substantial claim: may not pass S3 (load-bearing).

Intracellular vitamin C is 0.008 μmol/108 cells.

“Intracellular vitamin C is 0.008 μmol/108 cells.78”

• cites [78] Emadi-Konjin, 2005, Measurement of intracellular vitamin C levels in human lymphocytes by reverse phase high performance liquid chromatography (HPLC), Clin. Biochem. sourceNot checked — no full text of the source

Probably not a substantial claim: may not pass S3 (load-bearing).

No sample size calculations were performed prior to conducting in vivo experiments.

“No sample size calculations were performed prior to conducting in vivo experiments.”

Probably not a substantial claim: may not pass S3 (load-bearing).

The averaged CPS relative standard deviations for the potassium measurements were 0.7%.

“The averaged CPS RSDs for the K measurements were 0.7%.”

Probably not a substantial claim: may not pass S3 (load-bearing).

All animal experiments were performed in accordance with institutional regulations after protocol review and approval by Yale University's Institutional Animal Care and Use Committee.

“All animal experiments were performed in accordance with institutional regulations after protocol review and approval by Yale University's Institutional Animal Care and Use Committee.”

Classified as probably not a substantial claim. May combine two claims.

Prior work typically centrifuged blood at 17,000-20,000 × g to obtain plasma or serum; these high forces may compromise cell integrity and thereby contribute to potential variability across studies.

“Unlike our studies, prior work typically centrifuged blood at 17,000–20,000 × g to obtain plasma or serum4,73; these high forces may compromise cell integrity and thereby contribute to potential variability across studies.”

• cites [4] Fernandez, 2025, Is taurine an aging biomarker?, Science sourceNot checked — no full text of the source
• cites [73] Jankowski, 2025, Aged mice exhibit widespread metabolic changes but preserved major fluxes, Cell Metab. sourceNot checked — no full text of the source

Probably not a substantial claim: may not pass S3 (load-bearing).

Experiments were conducted without blinding, except for measurements of intracellular potassium and human serum taurine levels, for which the investigator was blinded to group allocation.

“Experiments were conducted without blinding, except for measurements of intracellular potassium and human serum taurine levels, for which the investigator was blinded to group allocation.”

Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

All studies using CALERIE Phase 2 samples were performed under a protocol approved by the Pennington institutional review board with informed consent from participants.

“All studies were performed under the protocol approved by the Pennington institutional review board with the informed consent from participants.”

Probably not a substantial claim: may not pass S3 (load-bearing).

All experiments were repeated at least three independent times.

“All experiments were repeated ≥3 independent times.”