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Irina R.
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Irina R.

Supplement Researcher | FTC/FDA Label & Claims Review | Health Writer

I'm an evidence-based Supplement Researcher and Certified Dietary Supplement Advisor who helps supplement and wellness brands save time, reduce costly compliance mistakes, and strengthen customer trust through evidence-based ingredient research, FDA/FTC-aware claims reviews, and scientifically accurate content. Core Services 🔬 Ingredient Research & Scientific Evaluation * Comprehensive ingredient evidence reports * Critical evaluation of human clinical research * Evidence summaries for product development and marketing * Safety, dosage, forms, mechanisms of action, and limitations * Competitive ingredient landscape reviews 🏷️ Label, Claims & Website Review * FDA/FTC-aware claims review * Structure/function claim evaluation * Product label and supplement facts assessment * Product page, website, and marketing compliance review *Risk identification and compliant claim rewrites ✍️ Scientific & Marketing Content * Evidence-based blog articles * Product pages grounded in science * Educational content for consumers and healthcare professionals * White papers and ingredient monographs * Research-backed email campaigns and educational resources 📊 Scientific Due Diligence * Literature searches (PubMed and other scientific sources) * Evidence grading and interpretation * Translation of complex research into practical business recommendations * Scientific support for marketing and product positioning I work with supplement brands, wellness companies, consultants, agencies, and health professionals who want their products and marketing to be both scientifically credible and commercially effective. My approach combines scientific research, critical thinking, and clear communication to help brands make better decisions, reduce compliance risk, and earn long-term customer trust.

🇷🇸Belgrade, Serbia$40/hr100% JSS5.00 (31)Since Feb 2017

Earnings and projects

MRR
$332

Last 6 months ÷ 6

World#94,267 / 412k
🇷🇸Country#857 / 4,015
Revenue, last 30 days
$0

Last 6 months: $2k

Total earnings
$76k

Billed in all: $78k

World#52,052 / 412k
🇷🇸Country#766 / 4,015
Per project
$1.7k

$497 in the last 6 months

World#88,479 / 412k
🇷🇸Country#987 / 4,015
Projects, last 6 months
4

Across 6 contracts

67% fixed33% hourly
World#51,813 / 412k
🇷🇸Country#426 / 4,015
Projects in all
46

Across 52 contracts

69% fixed31% hourly
World#66,421 / 412k
🇷🇸Country#969 / 4,015

Earnings, last 30 days

$78.4kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$77k$78k$79k$80kOct 8Oct 23Nov 7

Skill rankings: Top 13% in Serbian to English Translation

Ranked by MRR among everyone on Upwork with the skill.

  1. #17Serbian to English Translation136 freelancers · 🇷🇸 #8Top 13%
  2. #25Serbian168 freelancers · 🇷🇸 #16Top 15%
  3. #27English to Serbian Translation191 freelancers · 🇷🇸 #14Top 14%
  4. #38True Crime144 freelancers · 🇷🇸 #1Top 26%
  5. #39Christian Theology210 freelancers · 🇷🇸 #1Top 19%
  6. #52Self-Help216 freelancers · 🇷🇸 #1Top 24%
  7. #76Podcast Show Notes249 freelancers · 🇷🇸 #2Top 31%
  8. #97Food & Supplements285 freelancers · 🇷🇸 #2Top 34%