NOW Sports

L-Citrulline 750mg, 90 Caplets

NOW Sports L-Citrulline delivers 750mg of free-form L-citrulline per capsule, an amino acid that supports nitric oxide production and may help maintain healthy blood flow during exercise.

4.5 across 2 sources

May be a fit for

  • Athletes seeking L-Citrulline support for workout endurance and pump
  • Adults looking to maintain healthy nitric oxide levels with L-Citrulline
  • Those supporting post-exercise recovery with amino acid supplementation
$27.99

30-day money-back guarantee
Save together with Wellness Circles

Invite friends or family to a Wellness Circle. Your group can unlock savings together. See current tiers and terms before joining.

Explore Wellness Circles
CapletsFormat
90 CapletsPack size
The essentials

A closer look.

NOW Sports L-Citrulline delivers 750mg of free-form L-citrulline per capsule, an amino acid that supports nitric oxide production and may help maintain healthy blood flow during exercise. It's designed for athletes and active individuals looking to support endurance, pumps, and recovery between training sessions.

Why It's Worth Considering: Free-form amino acid delivery means no conversion step is needed before absorption, and NOW Sports maintains GMP certification with third-party testing for athletes conscious of what's in their supplements.

The Apotheca perspective

50+ signals. A clearer standard.

Our curation and trust scoring bring together manufacturing, testing, research, practitioner insight and reviews from across the web.

82OUT OF 100
Manufacturing5757
Lab verification7878
Transparency6868

Our score is an editorial assessment, not a product certification or a guarantee of results.

Inside the formula

Product details

Who it may suit

May be a fit for

  • Athletes seeking L-Citrulline support for workout endurance and pump
  • Adults looking to maintain healthy nitric oxide levels with L-Citrulline
  • Those supporting post-exercise recovery with amino acid supplementation
  • Fitness enthusiasts wanting stimulant-free L-Citrulline before training sessions

Considerations

  • Known allergy to any ingredient (check label)
  • Currently pregnant or breastfeeding (consult healthcare provider)
  • Taking prescription medications (check for interactions)
  • Under 18 years of age (unless recommended by pediatrician)
From across the web

Real reviews. A wider perspective.

Customer reviews, social conversations and expert insights, with every source in view.

4.5/5Aggregate source rating
Marketplaces & brand websites
Amazon, iHerb and direct brand reviews
Social & community
Reddit, X, Instagram and TikTok
Video & creators
YouTube and creator perspectives

Coverage varies by product and brand.

8299 product and brand ratings and mentions across 2 sources.

Good to know

A few useful answers.

Research & further reading

More category questions

How should I store this supplement?

Store in a cool, dry place away from direct sunlight. Most supplements are stable at room temperature (59-77°F). Keep the bottle sealed between uses. Check the label for any specific storage requirements — some probiotics and oils require refrigeration.

Can I take this with other supplements?

Most supplements can be taken together safely. However, some minerals compete for absorption (zinc and iron, calcium and magnesium) and should be taken at different times of day. If you're taking prescription medications, consult your healthcare provider about potential interactions.

How long should I take this supplement?

Most supplements benefit from consistent daily use over 2-3 months to achieve full effect. Some (like vitamins and minerals) can be taken indefinitely as part of a daily routine. Others (like specific herbs) may benefit from cycling. Follow the product's recommended protocol or consult a practitioner.

When is the best time to take this?

Fat-soluble supplements (vitamins A, D, E, K, omega-3, CoQ10) should be taken with a meal containing fat. Water-soluble supplements (B vitamins, vitamin C) can be taken anytime. Minerals are generally best absorbed with food. Probiotics should be taken with or just before a meal. Check the product label for specific timing recommendations.

How do I know if this supplement is working?

Track your specific health goals — energy levels, sleep quality, joint comfort, digestion, mood, etc. Most supplements take 2-8 weeks for noticeable effects. For objective measurement, baseline lab tests before starting (and repeat at 3 months) provide definitive evidence. The Gabriel Score incorporates clinical evidence for expected outcomes.

Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.

NOW Sports - L-Citrulline 750mg, 90 Caplets NOW Sports

Apotheca quality score

82/100

The overall score combines several sources of information. The individual dimensions below show where those signals are stronger or more limited; they are not a simple average of the overall score.

Manufacturing5757
Lab verification7878
Review consensus97.597.5
Practitioner signals5050
Community signals6464
Transparency6868
See available brand signals
✓
Good manufacturing practices verifiedStandard
✓
Quality ingredients with verified sourcingGood
✓
Clean FDA regulatory recordNo issues
✓
Positive consumer reviews and community feedbackGood
✓
Authorized distribution channel verifiedDirect

Our score is an editorial assessment, not a product certification or a guarantee of results.

How our scoring works ↗