Brand-quality audit Published Sep 28, 2025 Recalibrated Jun 14, 2026

Nature Made

USP-heavy drugstore staple: strong mainstream quality for the price, but not a batch-COA or athlete-certification leader.

Composite trust

80 /100 Strong

Quality

77 /100

Adequate

Formulation

81 /100

Strong

Transparency

86 /100

Strong

Safety

73 /100

Adequate

Value

79 /100

Adequate

Sentiment

86 /100

Strong

Top strengths

Broad USP verification across many mainstream products
Good value for USP-marked mass-market vitamins and minerals
Clear ownership and U.S. manufacturing footprint disclosure
Strong pharmacist-recognition and mainstream retail trust

Key concerns

No public finished-product batch COA portal
Recent 2025 FDA Form 483 listing with undisclosed observation details
Unresolved 2025 prenatal plasticizer class action allegations
Not NSF Certified for Sport, so not ideal for drug-tested athletes

Badges

Third-party tested Effective dosing Premium ingredients Research-backed Fair value Transparent pricing Community favorite Recent safety issue

Axis by axis

What the evidence shows

Quality

77/100 Adequate

Nature Made earns strong quality credit for broad USP verification, owned U.S. manufacturing disclosure, supplier COA requirements, and contaminant/potency testing through USP. The main offsets are the recent 2025 FDA Form 483 signal with unavailable details and the older 2016 voluntary recall; both are scored conservatively with uncertainty and recency weighting.

Formulation

81/100 Strong

Nature Made’s formulations are generally sensible for mainstream deficiency or nutrient-gap support, with several products showing evidence-aligned doses and USP-verified label accuracy. It is not uniformly practitioner-grade: premium forms and product-specific clinical trials are selective, while some legacy formulas use conventional nutrient forms.

Transparency

86/100 Strong

Nature Made is relatively transparent on ownership, USP verification, manufacturing footprint, and customer support. The main transparency weakness is not batch-level finished-product COAs: the brand relies on USP verification and supplier COAs rather than giving consumers lot-by-lot lab reports.

Safety

73/100 Adequate

Nature Made’s safety record is not spotless: the key hits are a recent 2025 FDA 483 listing with undisclosed details, an old 2016 voluntary recall, and unresolved 2025 prenatal plasticizer litigation. The serious findings are scored cautiously because the 483 details are unavailable and the prenatal case is alleged, not proven.

Value

79/100 Adequate

Nature Made offers good value for shoppers who want third-party verification without practitioner-brand pricing. It is not always the cheapest per serving, but the USP mark makes moderate premiums easier to justify on many core SKUs.

Sentiment

86/100 Strong

Nature Made is broadly trusted by mainstream shoppers and pharmacists, especially for USP-marked products. Enthusiast sentiment is more mixed: people respect the verification and price, but some prefer practitioner brands for forms, sourcing, COAs, or sport certification.

The rubric

How every score was built

Each axis opens at a category baseline, then moves only on dated, cited evidence, never a gut call. That is the whole difference from a star rating: every one of these 35 adjustments is a receipt you can check.

Points	What moved the score
Quality baseline 50 77 Adequate
+15	USP verification at unusually broad scale: Nature Made/Pharmavite states it has 200+ USP-verified products; USP’s program includes facility audit, product documentation review, lab testing, and off-the-shelf testing. Awarding the high end of the USP/facility-verification range because the signal is broad across the portfolio, but not +20 because this is USP product verification rather than a public batch-COA system. Calculation: +15 full weight. ²³⁴⁵ Current program evidence observed in 2026; no temporal discount. · full weight
+12	Independent third-party testing disclosed through USP: USP Verified products are checked for label potency/amounts, specified contaminants, dissolution, and GMP manufacturing. Nature Made does not publish batch-level lab reports, so this earns the upper-middle of the third-party-testing range rather than maximum public-COA credit. Calculation: +12 full weight. ²³⁴ Current certification/testing framework; no temporal discount. · full weight
+5	Contaminant and purity testing disclosed: USP verification includes specified contaminants, and Nature Made’s fish oil page states purification to remove mercury and other contaminants. Because the brand does not publish batch contaminant values, this is partial credit within the heavy-metals/contaminants range. Calculation: +5 full weight. ³²⁶ Current product/testing evidence; no temporal discount. · full weight
+4	Ingredient identity and supplier-quality controls disclosed: Nature Made says suppliers must provide Certificates of Analysis for ingredient identity and quality, and the company describes high-volume internal quality checks. This is a positive manufacturing-control signal, but not consumer-facing COA transparency. Calculation: +4 full weight. ⁶ Current brand quality page; no temporal discount. · full weight
+4	U.S. manufacturing footprint with dedicated facilities: Pharmavite discloses manufacturing sites in California, Alabama, and Ohio; the Ohio facility opened in 2025 for gummies and R&D/innovation support. Awarding modest quality credit for owned manufacturing visibility and recent capacity investment, not for certification alone. Calculation: +4 full weight. ⁷⁸⁹ Facilities current/recent, including 2025 Ohio opening; no temporal discount. · full weight
−8	FDA Form 483 signal at Pharmavite LLC dba Nature Made, San Fernando, inspection ending January 15, 2025. A 483 indicates FDA inspectional observations, not a warning letter or final enforcement finding. Details of observations were not public in accessible sources, so applying 50% of the low-end quality penalty for FDA 483 observations. Calculation: low-end -15 × 50% uncertainty factor × 100% recency = -8 rounded. ¹³¹⁴ January 15, 2025 is within 2 years of scoring date; full recency weight, then uncertainty factor applied because observation details were unavailable. · full weight
−5	2016 voluntary recall of selected Nature Made products for possible Salmonella/Staphylococcus aureus or microbiological-testing risk. This was a real quality lapse but is now just over 10 years old. Calculation: low-end contamination/quality incident -20 × 25% temporal weight = -5. ¹¹¹² June 2016 is 10+ years before June 14, 2026; 25% temporal weight. · 25% weight
—	Not scored No public batch-level COA portal was found. The January 2025 FDA Form 483 exists in public listings, but the actual observation text/final classification was not available in accessible sources, limiting severity assessment.
Formulation baseline 50 81 Strong
+10	Effective dosing pattern in sampled mainstream products: Of 9 sampled products/categories with accessible label evidence, 7 appear dosed in common evidence-aligned ranges for their stated nutrient role: Vitamin D3 2000 IU, Omega-3/Fish Oil 720 mg omega-3 per serving, Prenatal Multi + DHA with 19 nutrients and DHA, CholestOff 1800 mg phytosterols/day, CoQ10 200 mg, Calm & Relax with Sensoril ashwagandha + magnesium, and magnesium glycinate 200 mg from available label summaries. This is a majority pattern but not a comprehensive audit, and product goals vary from deficiency support to general wellness. Calculation: +10 within +10-15 range, full weight. ²⁴²⁵²⁶²⁷²⁸²⁹³⁰³¹ Current product-label evidence; no temporal discount. · full weight
+8	Clinical/product research exists but is selective: Nature Made claims product-specific trials for CholestOff and use of its products in 140+ clinical studies; independent indexed evidence includes a Pharmavite-funded iron/folic acid bioavailability study, and a CholestOff softgel sterol/stanol trial reported LDL reductions. Because this does not cover the whole line, awarding partial credit rather than top-tier clinical-trial credit. Calculation: +8 versus +15-20 maximum, reflecting select-product rather than portfolio-wide trials. ²⁰²¹²²²³ Mixed: current brand research pages plus older studies; overall 50-100% blend, expressed as partial +8 rather than maximum. · 75% weight
+6	Branded/premium ingredients in select products: CholestOff uses Reducol and Pantesin; Calm & Relax uses Sensoril ashwagandha; some newer formulas use better forms such as magnesium bisglycinate and 5-MTHF in sampled advanced multivitamin label evidence. This is a meaningful but not universal pattern. Calculation: +6 within +5-8 range. ²⁸³⁰³¹⁴² Current product evidence; no temporal discount. · full weight
+6	Bioavailability/form-quality upgrades in sampled products: examples include USP dissolution/performance testing, prenatal folic acid/iron absorption claims supported by Pharmavite-funded bioavailability work, magnesium bisglycinate in the glycinate product, and softgel delivery for CoQ10/fish oil. Awarding moderate credit because these are conventional rather than breakthrough delivery technologies. Calculation: +6 within +8-12 bioavailability-tech range after partial-portfolio scaling. ³²²²⁵²⁶²⁹³¹ Current labels plus older bioavailability study; partial credit reflects mixed recency and scope. · 75% weight
+5	Mostly transparent ingredient amounts on sampled labels, with limited proprietary-brand exceptions: key active amounts are disclosed on sampled D3, fish oil, CholestOff, CoQ10, prenatal, and Wellblends pages. However, some specialty formulations use branded blends or do not disclose the same granular sourcing detail as practitioner brands. Calculation: +5, below the +7 maximum for full-disclosure/no-proprietary-blend leaders. ²⁴²⁵²⁶²⁸²⁹³⁰ Current product-label evidence; no temporal discount. · full weight
−4	Use of generic/legacy forms in some mainstream formulas: available labels and community discussion indicate some standard multis use conventional forms such as folic acid/cyanocobalamin/oxide-type minerals, while newer advanced products use 5-MTHF or better forms. This is a limited/partial concern, not a line-wide underdosing pattern. Calculation: low-end cheap-form penalty -8 × approximately 50% pattern scope = -4. ²⁵³⁸⁴² Current/near-current label and discussion evidence; full recency on current product evidence, pattern-scaled downward. · full weight
—	Not scored A complete SKU-by-SKU dose/form audit was not possible from public data. Several Nature Made product pages expose key amounts, but not all labels and ingredient forms were easily machine-readable.
Transparency baseline 50 86 Strong
+10	Ownership is clearly disclosed: Nature Made is a Pharmavite brand, and Pharmavite has been part of the Otsuka group since 1989. This meets the rubric’s ownership-disclosure criterion. Calculation: +10 within +8-12 range. ³²³³ Current corporate ownership; no temporal discount. · full weight
+8	Manufacturing locations and model disclosed: Nature Made’s help center states it has facilities in California, Alabama, and Ohio, uses globally sourced ingredients, and works with some international contract manufacturers; Pharmavite’s manufacturing page confirms Alabama, Ohio, and California sites. Calculation: +8 within +6-10 range. ⁷⁸⁹ Current disclosures, including 2025 Ohio facility; no temporal discount. · full weight
+8	Third-party testing disclosed through USP, with a public list of USP-verified Nature Made product categories. This is strong verification transparency, but not batch-level COA transparency. Calculation: +8 within +8-12 range. ²³⁴⁵ Current USP/brand information; no temporal discount. · full weight
+6	Facility/quality standards are explained in consumer-facing language: USP pages explain GMP/facility audit elements, and Nature Made explains supplier COAs and product checks. Awarding partial credit for certification/process disclosure. Calculation: +6 within +6-10 range. ³⁴⁶ Current disclosures; no temporal discount. · full weight
+5	Customer support channels are disclosed: Nature Made lists chat, email, phone/text support, and support hours. No independent response-time test was found, so this earns low-end responsiveness/accessibility credit only. Calculation: +5 within +5-8 range. ⁷ Current help-center page; no temporal discount. · full weight
+3	Subscription terms are relatively clear on product pages: product pages describe 10% savings, reminders, and the ability to pause or cancel anytime. No pattern of hidden subscription-trap complaints was found in the reviewed evidence. Calculation: +3 within +3-5 range. ²⁴²⁵²⁶ Current ecommerce pages; no temporal discount. · full weight
−4	Ingredient sourcing is broad rather than traceable: Nature Made discloses global sourcing and some international contract manufacturing, but does not publish country-of-origin or supplier details by SKU. For a mass-market mid-tier brand this is a modest transparency penalty, not a severe one. Calculation: -4 within -2-5 vague-sourcing range. ⁷⁶ Current disclosure gap; no temporal discount. · full weight
—	Not scored No direct COA request test was performed, and no documented Nature Made COA refusal was found. Ingredient country-of-origin data by SKU was not public in the reviewed materials.
Safety baseline 90 73 Adequate
−5	Recent FDA Form 483 signal: Pharmavite LLC dba Nature Made had a Form 483 listing for an inspection ending January 15, 2025. FDA describes Form 483 observations as inspectional observations that may be corrected and are not final enforcement findings. Because observation details and final classification were unavailable, applying 50% of the low-end FDA 483 safety penalty. Calculation: -10 × 50% uncertainty × 100% recency = -5. ¹³¹⁴ Within 2 years of scoring date; full recency weight, uncertainty-scaled. · full weight
−4	2016 voluntary recall of selected Nature Made products for possible microbiological contamination/testing lapse. This was self-initiated/voluntary and is 10+ years old, so the penalty is heavily discounted. Calculation: voluntary serious recall low-mid -16 × 25% temporal weight = -4. ¹¹¹² June 2016 is 10+ years before June 14, 2026; 25% temporal weight. · 25% weight
−8	2025 proposed class action alleging Nature Made Prenatal Multi + DHA contained plastic-related chemicals based on PlasticList testing. This is ongoing litigation/allegation, not a finding of liability or a recall; PlasticList reported detectable phthalates in all tested prenatal vitamins and reported Nature Made values, but regulatory safety threshold interpretation remains unsettled in the reviewed evidence. Applying 50% of low-end class-action penalty. Calculation: -15 × 50% alleged/unresolved factor × 100% recency = -8 rounded. ¹⁵¹⁶¹⁷¹⁸ Filed/reported in 2025, within 2 years; full recency weight, then legal-status uncertainty factor applied. · full weight
+0	Older dismissed Vitamin E heart-health marketing lawsuit: Bradach v. Pharmavite alleged misleading “Helps Maintain a Healthy Heart” statements; the Ninth Circuit affirmed dismissal in 2018. Because it was dismissed and is primarily advertising/efficacy rather than product safety, no safety penalty is applied; documented as legal context only. ¹⁹ 2018 is 5-10 years old; dismissed status means no safety penalty. · 50% weight
—	Not scored The actual 2025 Form 483 observation text and final FDA inspection classification were not accessible in the reviewed public sources. The prenatal lawsuit status may change after June 14, 2026 and should be rechecked for any dismissal, settlement, recall, or court finding.
Value baseline 50 79 Adequate
+15	USP verification at mass-market pricing: Nature Made is widely available at drugstore/big-box pricing while many products carry USP verification. This is a strong value signal because USP testing/auditing is uncommon relative to standard budget vitamins. Calculation: +15 within +12-18 premium-justified/value range. ²³⁵²⁴⁴⁰ Current pricing/certification evidence; no temporal discount. · full weight
+10	Price matches quality for core products: sampled Vitamin D3 and fish oil show mid-market cost per serving while providing USP verification or purification/contaminant claims. Awarding moderate credit because Kirkland/store brands can be cheaper. Calculation: +10 within +10-15 range. ²⁴²⁶⁴⁰⁴¹⁴² Current/recent retail pricing; no temporal discount. · full weight
+6	Transparent ecommerce/subscription pricing: product pages show one-time price, subscription discount, free-shipping/subscription language, and pause/cancel wording. Calculation: +6 within +6-10 transparent-pricing range. ²⁴²⁵²⁶²⁷ Current ecommerce pages; no temporal discount. · full weight
+4	Retail access and larger-count options improve practical value: Nature Made is sold through major retailers, with large-count D3, fish oil, and multivitamin options visible in Walmart/Costco-style channels. Calculation: +4 for bulk/accessibility value. ⁴⁰⁴¹⁴² Current/recent retail listings; no temporal discount. · full weight
−6	Not always the cheapest option: competitor/store-brand examples such as One A Day and Kirkland can undercut some Nature Made prices on a cents-per-serving basis. This is a limited penalty because Nature Made’s USP verification partly justifies the premium. Calculation: low-end overpriced/cheaper-alternatives penalty -6, below rubric’s normal -12 threshold because gap is product-specific and quality is better supported. ⁴⁰⁴¹⁴² Current/recent pricing evidence; no temporal discount. · full weight
—	Not scored Pricing was sampled from available product/retailer pages and may vary by retailer, coupon, bottle count, and subscription. A complete price-per-serving audit across all SKUs was not performed.
Sentiment baseline 60 86 Strong
+12	Pharmacist recommendation dominance: Nature Made and third-party/press materials report repeated #1 pharmacist-recommended rankings in U.S. News/Pharmacy Times-style surveys, including long-running recognition. This is a strong practitioner/social-trust signal, though it is pharmacist survey data rather than direct physician consensus. Calculation: +12 community/practitioner endorsement credit. ³¹³²⁴³ Current and recent survey/press evidence through 2026; no temporal discount. · full weight
+8	Retail/customer review strength: sampled retail/review platforms show generally strong ratings or large review footprints, including Influenster 4.86/5 and ReviewMeta’s large Amazon-review aggregation, while Trustpilot has too few reviews to be meaningful. Calculation: +8 within Amazon/review-sentiment range, moderated for platform limitations. ³⁴³⁵³⁶³⁷ Mixed current/recent platform data; full weight but moderated for source quality. · full weight
+8	Reddit/community trust for USP-marked budget products: multiple supplement-community threads describe Nature Made as a reasonable or trusted budget option because many products are USP verified. This is positive but not overwhelming because some users criticize forms/sourcing and fish-oil concentration. Calculation: +8 within community-favorite/niche endorsement range. ³⁸³⁹⁴⁵⁴⁶ Mostly 2021-2026 community evidence; weighted as current-to-recent mixed evidence. · 75% weight
+5	Editorial inclusion and professional recognition: Forbes Health and other health-shopping content include Nature Made as an accessible vitamin brand, reinforcing mainstream acceptance. Calculation: +5 low-to-mid editorial/practitioner-support credit. ⁴³ Recent/current editorial evidence; no temporal discount. · full weight
−3	Mixed low-volume independent review sites: Trustpilot has only one review and Sitejabber has seven reviews with a low 2.4-star rating; sample sizes are too small for a major penalty but enough to document weak direct-brand-site sentiment outside retailer channels. Calculation: -3, limited due to n=1 and n=7. ³⁴³⁵ Recent platform data; full recency but pattern-scaled sharply down for tiny samples. · full weight
−4	Community concerns about cheap forms, Amazon review authenticity/counterfeit risk, and fish-oil sourcing appear repeatedly but are not dominant avoid-warnings. Calculation: -4 for mixed sentiment concerns, below community-warning penalty because threads are mixed rather than overwhelmingly negative. ³⁸⁴⁵⁴⁶⁴⁷ Mostly recent-to-3-year evidence; no major temporal discount, pattern-scaled. · full weight
—	Not scored Social evidence is platform-dependent. Trustpilot/Sitejabber sample sizes were too small for strong conclusions, and retailer/Amazon review data can be influenced by seller authenticity, incentives, and aggregation limits.

Best for

Shoppers who want affordable, widely available vitamins/minerals with meaningful third-party verification, especially exact products carrying the USP Verified mark.
People buying straightforward nutrient-gap products such as Vitamin D3, fish oil, CoQ10, iron/prenatal, or basic multivitamins rather than highly specialized practitioner protocols.
Value-focused consumers who prefer a long-running drugstore brand with pharmacist recognition over newer direct-to-consumer brands with weaker certification history.

Skip if

You require public, lot-specific finished-product COAs or full country-of-origin traceability for every ingredient and SKU.
You are a drug-tested athlete who needs NSF Certified for Sport or Informed Sport banned-substance certification rather than USP verification alone.
You are pregnant and uncomfortable with unresolved plasticizer litigation around the Prenatal Multi + DHA product; in that case, discuss alternatives with your OB-GYN and choose products with verification that matches your risk tolerance.

Questions

What shoppers ask about Nature Made

Is Nature Made a good brand?

Yes, Nature Made is a good mainstream brand when you choose products that carry the USP Verified mark, because USP checks identity, potency, contaminants, dissolution, and GMP manufacturing. It is less ideal if you require public batch COAs, full sourcing traceability, NSF Certified for Sport, or consistently premium nutrient forms ²³⁶⁴⁴.

What do doctors say about Nature Made?

The strongest professional signal is from pharmacists, not doctors: Nature Made has repeatedly been ranked a #1 pharmacist-recommended vitamin/supplement brand in U.S. News/Pharmacy Times-related survey materials. Doctors may still recommend USP-verified supplements generally, but the evidence reviewed does not prove that physicians universally rank Nature Made above all other brands ³¹³²⁴³.

Are any Nature Made vitamins made in China?

Nature Made says it has its own manufacturing facilities in California, Alabama, and Ohio, but also says ingredients are globally sourced and that a small number of products are made by qualified international contract manufacturers. The brand does not publish product-by-product country-of-origin data, so I cannot verify from public evidence whether any finished vitamins or ingredients are made in China ⁷⁸⁹.

What is the most trustworthy vitamin company?

There is no single universally “most trustworthy” vitamin company; the better standard is product-specific verification. Nature Made is strong for USP-verified mass-market products, while athletes may need NSF Certified for Sport products and COA-focused shoppers may prefer brands that publish lot-level test reports ³⁴⁴⁴.

Is Nature Made made in China?

Not as a blanket statement. Nature Made discloses owned U.S. manufacturing in California, Alabama, and Ohio, but also discloses globally sourced ingredients and some international contract manufacturing, so the public evidence supports “partly U.S.-manufactured with global sourcing,” not “all made in China” or “all made in the USA” ⁷⁸⁹.

What is the #1 most trustworthy vitamin company?

Nature Made is often marketed and ranked as a #1 pharmacist-recommended vitamin/supplement brand, which is a strong perception signal, but “most trustworthy” depends on the exact product and verification you need. For most shoppers, look for USP Verified, NSF Certified for Sport, or credible batch testing on the specific supplement rather than trusting any brand name alone ²³³¹³²⁴⁴.

Sources

1. Nature Made Quality (2026)
2. What is United States Pharmacopeia & What Does USP Verified Mean? (2026)
3. USP Verified Mark: Dietary Supplement Manufacturing (2026)
4. USP Dietary Supplement Verification Program (2026)
5. Pharmavite Corporate Home: Nature Made and USP Verification (2026)
6. Nature Made High Quality (2026)
7. Nature Made Help Center / Customer Support / Manufacturing FAQ (2026)
8. Pharmavite Manufacturing Careers: Manufacturing Sites (2026)
9. Pharmavite Opens $250 Million Production Facility in New Albany, Ohio (2025)
10. Nature Made Adult Gummies Receive USP Verified Mark For Quality (2016)
11. Nature Made Recalls Various Products Because of Possible Health Risk (2016)
12. FDA: Nature Made vitamins recalled for possible contamination (2016)
13. Pharmavite LLC dba Nature Made: FDA Form 483 listing, inspection end January 15, 2025 (2025)
14. FDA Inspection Classification Database: Form 483 and inspection classifications explained (2026)
15. PlasticList Product Page: Nature Made Prenatal Folic Acid + DHA Supplement (2026)
16. PlasticList Report: Prenatal vitamins and phthalate findings (2025)
17. Class action lawsuit alleges Nature Made prenatal vitamins contain toxic plastic chemicals (2025)
18. Lang et al. v. Pharmavite LLC Complaint PDF (2025)
19. Bradach v. Pharmavite LLC, Ninth Circuit decision (2018)
20. Nature Made Science Based (2026)
21. Studies Using Nature Made (2026)
22. Iron and Folic Acid Bioavailability from a Multivitamin Tablet Following a Single Dose and After 28 Days of Supplementation (2019)
23. Pharmavite Release: CholestOff sterol/stanol clinical trial report (2011)
24. Nature Made Vitamin D3 2000 IU Tablets (2026)
25. Nature Made Prenatal Multi Folic Acid + DHA Softgels (2026)
26. Nature Made Fish Oil 1200 mg Softgels (2026)
27. Nature Made Omega-3 From Fish Oil 1200 mg Softgels (2026)
28. Which CholestOff Product Is Right For You? (2026)
29. Nature Made CoQ10 200 mg Softgels (2026)
30. Nature Made Wellblends Calm & Relax (2026)
31. Nature Made Pharmacy Times Survey Results (2026)
32. Otsuka: Nature Made 50th Anniversary and #1 Pharmacist Recommended for 24 Years (2021)
33. Otsuka America: Pharmavite Company Profile (2026)
34. Trustpilot: Nature Made Reviews (2026)
35. Sitejabber: Nature Made Reviews (2026)
36. Influenster: Nature Made Reviews (2026)
37. ReviewMeta: Nature Made Amazon Review Aggregation (2026)
38. Reddit r/Supplements: Is Nature Made really that bad? (2022)
39. Reddit r/Supplements: Trusted vitamin brands discussion (2023)
40. Walmart: Nature Made Vitamin D3 2000 IU 250-count listing (2026)
41. Walmart: One A Day Men’s Multivitamin 200-count listing (2026)
42. Costco Compare Products: Nature Made Fish Oil vs Kirkland Fish Oil (2026)
43. Forbes Health: Best Vitamin Brands, expert reviewed (2026)
44. NSF Certified for Sport Program (2026)
45. Reddit r/vitamins: Nature Made brand discussion (2023)
46. Reddit r/Supplements: What are the main brand companies to avoid? (2022)
47. Reddit r/Supplements: Amazon review authenticity concerns for Nature Made (2025)
48. Nature Made Reddit promotional post on magnesium (2024)
49. Reddit r/pregnant: Nature Made prenatal lawsuit discussion (2025)

Recalibrated Jun 14, 2026 · 35 scored adjustments · 44 distinct citations across 49 sources