Verified
“Pure beta-alanine powder — single ingredient.”
The product is a one-ingredient unflavored powder, consistent with NOW Sports' straightforward single-active labeling. The purity claim is accurate.
Reviewed
Verified by SAC team
+20
XP on completion
Best trusted name
NOW Sports · 2 g per scoop · 500 g · GMP-tested household brand
Sports Beta-Alanine Pure Powder, 2,000 mg Review
8.3/10SAC Product Score™
NOW Sports is the trusted-name pick: a pure beta-alanine powder from one of the most established, GMP-certified supplement makers around, in a big 500 g tub at a friendly price. The one thing to flag honestly is the dose — the label's serving is a 2,000 mg scoop, which sits below the ~3.2 g used in the studies, so you will want a slightly heaped or one-and-a-half scoop to actually hit the research dose. It is generic beta-alanine rather than the patented CarnoSyn form, too. But for a reputable, tested, inexpensive tub from a name you already know and trust, it is a safe and sensible choice — as long as you dose it up to the research amount rather than taking the 2 g scoop at face value.
Check on AmazonAffiliate link — Super Achiever Club earns a small commission at no extra cost to you.
Read the complete Beta-Alanine guide →How we built the SAC Product Score™ — 8.3/10
Form & source (CarnoSyn vs generic)30%8.2/10
Generic beta-alanine rather than patented CarnoSyn — the same molecule, but not the branded research form or its identity testing. NOW's long-standing brand quality lifts its form-and-source standing above the cheaper generics, but on the most heavily weighted axis it still sits below the two CarnoSyn picks.
Purity & third-party testing25%8.9/10
Manufactured and tested in NOW's own GMP-certified facilities — a genuinely strong QC signal, since NOW runs extensive in-house analytical labs and is one of the more transparent large manufacturers. Provenance honesty: this is robust in-house GMP testing, which is a real trust signal but is manufacturer QC rather than a per-batch third-party or NSF Certified for Sport seal.
Effective, honest dose20%8.2/10
The honest weak point. The label's serving is a 2,000 mg scoop, which sits below the ~3.2 g/day research dose, so a single scoop under-doses unless you heap it or take ~1.5 scoops. It scores respectably because NOW states the 2 g amount plainly rather than hiding it, but a sub-research serving size is exactly what our methodology marks down.
Value per effective serving15%7.6/10
At ~$20 for 500 g the tub is cheap, but because you need ~1.5 scoops to reach the research dose the cost per effective 3.2 g serving (~$0.16 per 2 g scoop, more per real dose) lands mid-pack rather than at the bargain-value end. Fair, not the cheapest per effective gram.
Mixability & usability10%8.2/10
A standard fine unflavored powder — gritty in plain water, fine in a flavored drink. The one usability wrinkle is that the 2 g scoop forces you to measure a heaped or one-and-a-half scoop to hit the dose, adding a small guesswork step the cleaner 3 g-scoop picks avoid.
The product at a glance
- Form
- Pure beta-alanine (generic, not CarnoSyn-branded)
- Dose
- 2,000 mg per level scoop (below the 3.2 g research dose — take ~1.5 scoops)
- Package
- 500 g unflavored powder (~250 x 2 g scoops)
- Testing
- Manufactured and tested in NOW's GMP-certified facilities
- Other ingredients
- None — pure beta-alanine powder
- Price
- ~$20 (~$0.16 per 2 g scoop)
- Brand
- NOW Sports — long-established household supplement brand
Marketing claims vs. reality
Verified
“Manufactured and tested in GMP-certified facilities.”
NOW is well documented for running extensive in-house GMP-certified manufacturing and analytical testing and is unusually transparent for a large brand. The GMP claim is accurate and a genuine trust signal — though it is manufacturer QC, not a per-batch third-party COA.
False
“A 2,000 mg scoop is a serving of beta-alanine.”
Labeling a 2 g scoop as the serving understates the effective amount: the research dose is ~3.2 g/day, so a single level scoop is sub-clinical. NOW states the 2 g figure plainly, but a buyer who takes one scoop believing it is a full research dose is under-dosing by roughly a third. Take a heaped or ~1.5 scoop.
Partial
“Supports high-intensity exercise performance.”
True but narrow. Per Hobson 2012 and Saunders 2017 the benefit is modest and concentrated in 1-4 minute high-intensity efforts, and only appears after weeks of daily dosing at the full ~3.2 g — which this product only reaches if you take more than one labeled scoop.
What our test actually found
01A trusted brand and real in-house testing
NOW is one of the most established supplement makers around, running extensive in-house GMP-certified manufacturing and analytical labs, and it is unusually transparent for a large brand. For a buyer who wants a familiar name and documented QC behind a simple amino acid, that reputation is the whole appeal, and it lifts NOW above the anonymous generics on the testing axis.
02The 2 g scoop is the catch — do not take it at face value
The single most important thing to know: the label's 2,000 mg scoop sits below the ~3.2 g/day research dose. A buyer who takes one level scoop is under-dosing by about a third and may conclude beta-alanine 'does nothing.' Take a heaped scoop or ~1.5 scoops to actually reach the studied amount. NOW states the 2 g figure honestly, but the serving size itself under-delivers.
03Generic form, so it ranks behind the CarnoSyn picks
Like most of the field, this is generic beta-alanine rather than patented CarnoSyn. That is a modest quality-assurance distinction, not a safety concern — but our methodology weights the raw material heaviest, so it keeps NOW behind NutraBio and ProLab despite the strong brand and testing.
04Cheap tub, but not the cheapest per effective dose
The 500 g tub is inexpensive at ~$20, but because you need ~1.5 scoops to hit the research dose, the cost per effective 3.2 g serving lands mid-pack rather than at the bargain end. Nutricost and BulkSupplements deliver a full 3 g scoop for less per real dose. NOW's value is 'trusted and affordable,' not 'cheapest per gram.'
Pros & cons, no sugar-coating
Pros
- Long-trusted brand with extensive in-house GMP quality testing
- Large 500 g tub at a low price; pure single-ingredient powder
- Widely available and consistently well-reviewed
- NOW states the 2 g scoop amount plainly rather than hiding a sub-clinical dose
- Unusually transparent QC for a large mainstream manufacturer
Cons
- Listed 2 g scoop is below the ~3.2 g research dose — you need a heaped or 1.5x scoop
- Generic beta-alanine rather than the patented CarnoSyn form
- Not the cheapest per effective gram once you account for the larger real dose
A safe, trusted, affordable tub — as long as you dose past the 2 g scoop.
NOW Sports is the trusted-name pick: a pure beta-alanine powder from one of the most established, GMP-certified makers around, in a big 500 g tub at a friendly price, with genuinely strong in-house testing behind it. For a buyer who wants a familiar name and documented QC on a simple amino acid, it is a safe, sensible choice. Two honest flags decide how you use it. First, the dose: the label's serving is a 2,000 mg scoop, which sits below the ~3.2 g used in studies, so take a slightly heaped or one-and-a-half scoop to actually hit the research amount — do not take the single scoop at face value. Second, it is generic rather than CarnoSyn beta-alanine, which keeps it behind the top two picks. Neither is a dealbreaker for the right buyer. Reach the full ~3.2 g/day, split it to tame the tingle, and give it 3-4 weeks.
Check NOW Sports · 2 g per scoop · 500 g · GMP-tested household brand on AmazonIf this doesn’t fit — try these
NutraBio Beta-Alanine (CarnoSyn), Unflavored
9.2/10A ~3 g scoop that hits the research dose in one scoop, plus 100% CarnoSyn and third-party testing at ~$0.21 per serving — the top pick if you want the studied form and no scoop guesswork.
See it on the list →BulkSupplements Beta-Alanine Powder (500 g)
8.6/10A clean 3 g scoop that hits the dose in one at ~$0.13 per serving, cGMP batch-tested — cheaper per effective gram if you do not need the NOW brand name.
See it on the list →Nutricost Beta-Alanine Powder (500 g)
8/10The budget value leader — generic beta-alanine third-party tested in an ISO-accredited lab at the lowest ~$0.11 per serving. The pick for the most tested powder for the fewest dollars.
See it on the list →Sources & further reading
- Hobson 2012Hobson RM, Saunders B, Ball G, Harris RC, Sale C · 2012 · Amino Acids · PMID 22270875
Effects of β-alanine supplementation on exercise performance: a meta-analysis
Trials pooled here dosed roughly 3.2-6.4 g/day to saturate muscle carnosine — the direct reason NOW's 2 g labeled scoop is a sub-research serving that must be increased to reach the studied dose.
- Saunders 2017Saunders B, Elliott-Sale K, Artioli GG, Swinton PA, Dolan E, Roschel H, Sale C, Gualano B · 2017 · British Journal of Sports Medicine · PMID 27797728
β-alanine supplementation to improve exercise capacity and performance: a systematic review and meta-analysis
A 40-study meta-analysis reporting a small overall effect (ES 0.18) greatest in 0.5-10 minute efforts, confirming that the benefit is modest and only appears at the full chronic dose — not a single 2 g scoop.
- Harris 2006Harris RC, Tallon MJ, Dunnett M, Boobis L, Coakley J, Kim HJ, Fallowfield JL, Hill CA, Sale C, Wise JA · 2006 · Amino Acids
The absorption of orally supplied β-alanine and its effect on muscle carnosine synthesis in human vastus lateralis
Foundational human data showing chronic oral beta-alanine over weeks raises muscle carnosine, establishing the ~3.2-6.4 g/day target that a 2 g scoop under-delivers unless heaped or doubled. (PMID omitted — not independently re-verified here.)