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L-Lysine
amino · 47 active deals
How much does L-Lysine cost?
The best-value L-Lysine right now is about $0.04 per dose — across the 46 we can price per dose the median is $0.085/dose, so shopping on cost-per-dose can cut your cost several-fold. Every L-Lysine deal here is ranked by cost per dose — what you actually pay per serving, not the sticker price — because forms and absorption differ, so the cheapest bottle isn’t always the cheapest dose.
Prices checked · live from the Amazon US catalog.
Right now the best value across our full L-Lysine catalog is at $0.04 per serving.
Median $0.085/servingCheapest quartile under $0.060across 46 tracked L-Lysine deals
BulkSupplements.com L-Lysine HCl Capsules - Sports Nutrition…
BulkSupplements.comAmazon.com
$0.16/serving
$18.960°
Nature's Truth L-Lysine 500mg | 130 Coated Caplets | Free Form
Nature's TruthAmazon.com
$0.08/serving
$9.980°
Nutricost L-Lysine (1000mg) 240 Tablets, Gluten Free, GMO-Free
NutricostAmazon.com
$0.08/serving
$19.950°
Amazing Formulas L-Lysine 500 Mg Amino Acid Supplement…
Amazing NutritionAmazon.com
$0.06/serving
$14.990°
FUSION SHOP STORE Smart choices
FUSION SHOP STORE Smart choices, meaningful life!Amazon.com
$0.09/serving
$22.980°
Life Extension Optimized Tryptophan Plus 1000mg - L-Tryptophan…
Life ExtensionAmazon.com
$0.27/serving
$24.000°
Best Naturals L-Lysine 1000mg 180 Tablets - Double Strength…
Best NaturalsAmazon.com
$0.07/serving
$12.990°
Country Life L-Lysine 500mg with B-6, Supports Immune Health
Country LifeAmazon.com
$0.10/serving
$25.990°
Every L-Lysine deal above is ranked by real cost per dose with no paid placement — see our and .
Independent testing
3 of 28 tracked L-Lysine brands here are flagged as carrying independent third-party testing — a voluntary check of a product's identity, potency and contaminants by an outside lab. It's a quality signal, not a value or efficacy claim. Confirm any brand's current status on the official registries:
Testing status is self-reported by the brand or drawn from public certification and may change — always verify on the official registry before purchase.
L-Lysine deals — FAQ
- How much does L-Lysine cost?
The cheapest l-lysine we track works out to $0.04 , against a typical $0.08 across the 46 we can price per dose — about $1.20 a month at the cheapest. That is real from live Amazon US prices, not the sticker price. The full ranking is on the Best L-Lysine page.
- What is the best-value L-Lysine per dose?
Oxify L-Lysine 500 mg, 250 at $0.04 — the lowest cost-per-dose l-lysine in our catalog. See the full ranking on the Best L-Lysine page.
- How many L-Lysine deals are live right now?
We're tracking 47 active L-Lysine deals across Amazon US and partner retailers, ranked by community votes and cost-per-dose — not paid placement.
- What's a good price for L-Lysine per dose?
Across the 46 L-Lysine deals we can price per dose (combination products are left out — their single label dose belongs to whichever ingredient the product is built around) the median cost-per-dose is $0.085; the cheapest quartile comes in under $0.060 . Anything below the median is a solid deal for the same molecule.
- How does VitaminDB rank L-Lysine deals?
Deals are submitted by the community and ranked by net votes (hot minus cold) plus cost-per-dose normalised across container sizes. We take no affiliate kickbacks for ordering; sponsored slots, when present, are clearly badged.
L-Lysine guides
Related amino acids
References & sources
- Interventions for prevention of herpes simplex labialis (cold sores on the lips) — PubMed Central, NIH National Library of Medicine
- Amino acids — MedlinePlus, U.S. National Library of Medicine
- USP Verified product participants — U.S. Pharmacopeia
- NSF certified products — NSF
We link primary sources and paraphrase their findings — never copy their text, tables, or images. Cost-per-dose figures are our own first-party catalog data.