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1 in 3 with lupus takes supplements, medications with potential for interactions (opens in a new tab)

medicalxpress.com · 2026-10-06

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Supported

Supported.

The story matches what the study reports.

  • 5 supported

Checked against the study summary. The full text wasn't available, so some details couldn't be settled either way.

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Supported

Every claim holds up. All five claims match what the study reports.

  • 5 supported
Open claim evidence
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Source paper

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The 2 papers the story cites

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5 claims in this story

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Claim 1 of 5SupportedNearly 1 in 3 patients with systemic lupus erythematosus are taking a supplement-medication combination with potential for an interaction, according to a study published online Sept. 22 in Arthritis Care & Research.View evidenceHide evidence

As statedNearly 1 in 3

Why this verdict

The abstract-level paper profile reports that 29.5% of participants had a supplement–medication combination with potential for an interaction, described as nearly one-third. The story frames this as potential interactions, not confirmed clinical harm, which matches the paper evidence.

1

Study evidence

29.5% of participants had at least one supplement–prescription medication combination with potential for an interaction identified via the NatMed Pro database.

“Potential interactions between commonly used supplements and prescription medications were identified using the NatMed Pro database.”
Claim 2 of 5SupportedDr. Sarah L. Patterson and colleagues used data from 451 adults in the Approaches to Positive, Patient-centered Experiences of Aging with Lupus study to identify commonly used supplements and evaluate potential supplement-medication interactions.View evidenceHide evidence

As stated451 adults

Why this verdict

The paper profile states that researchers analyzed cross-sectional data from 451 adults in the APPEAL ancillary study of the GOAL cohort, with aims including identifying commonly used supplements and evaluating potential supplement–prescription medication interactions.

1

Study evidence

80.9% of participants reported use of at least one dietary supplement.80.9%

“We analyzed cross-sectional data from 451 adults in the Approaches to Positive, Patient-centered Experiences of Aging with Lupus (APPEAL) study”
2

Study evidence

29.5% of participants had at least one supplement–prescription medication combination with potential for an interaction identified via the NatMed Pro database.

“Potential interactions between commonly used supplements and prescription medications were identified using the NatMed Pro database.”
Claim 3 of 5SupportedThe researchers found that 80.9% of participants used at least one supplement and 55.9% used two or more; vitamin D, multivitamins, calcium, vitamin B12 and iron were the most commonly used supplements.View evidenceHide evidence

As stated80.9%; 55.9%; 64.1%; 45.2%; 29.7%; 10.6%; 9.3%

Why this verdict

The reported percentages match the paper profile: 80.9% used at least one supplement, 55.9% used two or more, and the most commonly used supplements were vitamin D, multivitamins, calcium, vitamin B12, and iron with the stated frequencies.

1

Study evidence

80.9% of participants reported use of at least one dietary supplement.80.9%

“We analyzed cross-sectional data from 451 adults in the Approaches to Positive, Patient-centered Experiences of Aging with Lupus (APPEAL) study”
Claim 4 of 5SupportedParticipants with polypharmacy, greater SLE disease damage and recent primary care visits had a greater frequency of potential drug interactions.View evidenceHide evidence

Why this verdict

The paper profile reports that potential drug interactions were more frequent among participants with polypharmacy, greater SLE disease damage, and recent primary care visits. The story presents this as an associational frequency finding rather than a causal claim.

1

Study evidence

29.5% of participants had at least one supplement–prescription medication combination with potential for an interaction identified via the NatMed Pro database.

“Potential interactions between commonly used supplements and prescription medications were identified using the NatMed Pro database.”
Claim 5 of 5SupportedThe authors say the findings underscore the need for routine assessment of supplement use and strategies to support safe, informed use of supplements in people with SLE.View evidenceHide evidence

Why this verdict

The quoted interpretation is reflected in the paper profile’s discussion: the findings support routine assessment of supplement use and strategies to support safe, informed supplement use in people with SLE.

1

Study evidence

80.9% of participants reported use of at least one dietary supplement.80.9%

“We analyzed cross-sectional data from 451 adults in the Approaches to Positive, Patient-centered Experiences of Aging with Lupus (APPEAL) study”
2

Study evidence

29.5% of participants had at least one supplement–prescription medication combination with potential for an interaction identified via the NatMed Pro database.

“Potential interactions between commonly used supplements and prescription medications were identified using the NatMed Pro database.”
Then look for missing context

Context layer

What the story left out

Important study details the story did not include.

  • Correlates of using two or more supplements: older age, higher educational attainment, use of at least five prescription medications, and greater healthcare utilization were associated with use of multiple supplements.

    The paper profile includes this as a primary correlates analysis, but the presented story claims focus on supplement prevalence and potential interaction correlates rather than the reported correlates of using two or more supplements.

    From Cross-sectional logistic regression analysis

  • Limitation: cross-sectional, single-visit design limits inference about temporality, causation, and changes in supplement use over time.

    The story mentions that the analysis came from a cohort of 451 adults, but it does not clearly state that the data were cross-sectional and collected at a single visit. This is a material limitation for interpreting the correlates and potential interaction findings.

    From cross-sectional ancillary cohort study; Cross-sectional logistic regression analysis; Cross-sectional observational anal

  • Limitation: supplement and medication use were self-reported, introducing possible recall or reporting bias.

    The paper profile identifies self-report as a limitation, but the story caveats do not mention it.

    From cross-sectional ancillary cohort study; Cross-sectional logistic regression analysis; Cross-sectional observational anal

6 things the story did carry across
  • Study design and population: cross-sectional analysis of 451 adults with SLE in the APPEAL ancillary study of the GOAL cohort.
  • High prevalence of supplement use: 80.9% used at least one supplement and 55.9% used two or more; vitamin D, multivitamins, calcium, vitamin B12, and iron were most common.
  • Potential supplement–prescription medication interactions: 29.5% had a supplement-medication combination with potential for an interaction identified via NatMed Pro.
  • Correlates of potential interactions: potential interactions were more frequent among those with polypharmacy, greater SLE disease damage, and recent primary care visits.
  • Authors’ clinical implication: routine assessment of supplement use and strategies for safe, informed use in people with SLE.
  • Limitation: identified interactions were potential database-screened interactions, not clinically confirmed adverse events or harms.
Then read the study layer

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Pieces of work

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Evidence read

study summary

Lead result

human in vivo

1Lead resulthuman in vivoEstimate prevalence and patterns of dietary supplement use (number and types) among adults with systemic lupus erythematosus (SLE) in the APPEAL ancillary study of the GOAL cohort.cross-sectional ancillary cohort studyExpand

In plain English

Cross-sectional analysis of 451 adults with SLE in the APPEAL ancillary study of the GOAL cohort found high prevalence of dietary supplement use: 80.9% used ≥1 supplement and 55.9% used ≥2. The most commonly used supplements were vitamin D (64.1%), multivitamins (45.2%), and calcium (29.7%). Nearly 29.5% of participants had a supplement–medication combination with a potential interaction.

Key findings

  • 80.9% of participants reported use of at least one dietary supplement.80.9%
  • 55.9% of participants reported use of two or more dietary supplements.55.9%
“We analyzed cross-sectional data from 451 adults in the Approaches to Positive, Patient-centered Experiences of Aging with Lupus (APPEAL) study”
What this piece can’t prove
  • Cross-sectional design with measurements taken at a single study visit limits inference about temporality and changes in supplement use over time.
  • Supplement and medication use were self-reported, which may introduce recall or reporting bias.
  • Potential supplement–medication interactions were identified via database screening (NatMed Pro) and may not represent clinically adjudicated adverse interactions; abstract does not report confirmation of clinical outcomes.
2human in vivoIdentify sociodemographic and clinical correlates of supplement use (including use of ≥2 supplements) among adults with SLE.Cross-sectional logistic regression analysisExpand

In plain English

Cross-sectional regression analysis (N=451) from the APPEAL ancillary study of the GOAL cohort evaluated sociodemographic and clinical correlates of dietary supplement use, focusing on use of ≥2 supplements. Self-reported supplement and medication use at a single study visit were analyzed with descriptive statistics and logistic regression. Use of ≥2 supplements was more common among older participants, those with higher educational attainment, participants taking ≥5 prescription medications, and those with greater healthcare utilization.

Key findings

  • Use of ≥2 dietary supplements was more common among participants who were older, had higher educational attainment, used ≥5 prescription medications, or had greater healthcare utilization.
“Sociodemographic and clinical correlates of supplement use were assessed using descriptive statistics and logistic regression.”
What this piece can’t prove
  • Cross-sectional design from a single study visit limits causal inference.
  • Self-reported supplement and medication use may be affected by measurement error.
  • Abstract does not report effect estimates or model specification details (e.g., adjustment set, model fit).
  • Findings pertain to the APPEAL/GOAL cohort and may have limited generalizability beyond this population.
3human in vivoEvaluate prevalence of potential supplement–prescription medication interactions using a drug-interaction database, and assess correlates of having potential interactions.Cross-sectional observational analysisExpand

In plain English

In a cross-sectional analysis of 451 adults in the APPEAL (GOAL ancillary) cohort, supplement and prescription medication use reported at a single study visit were mapped to the NatMed Pro database to identify potential supplement–prescription medication interactions. Nearly 30% of participants (29.5%) had at least one potential interaction; potential interactions were more frequent among participants with polypharmacy, greater SLE disease damage, and recent primary care visits. Associations were assessed using descriptive statistics and regression analyses.

Key findings

  • 29.5% of participants had at least one supplement–prescription medication combination with potential for an interaction identified via the NatMed Pro database.
  • Potential supplement–medication interactions were more frequent among participants with polypharmacy, greater SLE disease damage, and recent primary care visits.
“Potential interactions between commonly used supplements and prescription medications were identified using the NatMed Pro database.”
What this piece can’t prove
  • Cross-sectional design with data collected at a single study visit.
  • Supplement and prescription medication use were self-reported.
  • Potential interactions were identified via a drug-interaction database (NatMed Pro) and represent potential rather than clinically confirmed interactions.
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Papers considered

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PubMed, Europe PMC, Crossref · 34 candidate papers

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