Solaray 5-HTP with Vitamin C & B-6 (Enteric Coated) Review
#6 of 10 · Best enteric-coated✓ Label verified · Supplement Facts read Sep 7, 2026Real retailer photo, cut out. Label unedited.
Buy it. The enteric-coated pick — built for the nausea-prone. The only genuinely enteric-coated 5-HTP on the list, designed to bypass stomach acid and reduce the most common side effect — plus 200 mg vitamin C and 25 mg B6 cofactors.
$17 / 60 enteric-coated veg capsules$0.28 / 100 mg capsule
Why It Scores 8.2 — And The Label Line Behind Each Number
Dose & form (enteric / cofactors)
30% of scoreThe best form story on the list: a 100 mg dose inside the only genuinely enteric-coated capsule here — designed to reduce stomach exposure — plus 200 mg vitamin C and 25 mg B6 cofactors. That's both form advantages (enteric + cofactors) in one product, which no other pick offers. The standout axis.
- Active
- 100 mg 5-HTP (1 capsule)
- Cofactors
- 200 mg vitamin C + 25 mg vitamin B6
Source & purity (Griffonia)
25% of scoreGriffonia simplicifolia seed-extract 5-HTP in an enteric-coated VegCap. A clean, clearly-sourced product; scored a touch below the HPLC-callout picks because the headline feature is the coating and cofactors rather than an explicit purity-verification claim.
- Source
- Griffonia simplicifolia seed extract
Third-party testing
20% of scoreThis is the weak axis. Solaray markets the product as 'lab verified,' but that's a brand claim, not an independent third-party certification. We score it accordingly — above an untested commodity, but clearly below Thorne's (#3) genuine certification. The coating and cofactors are the reason to buy, not the testing pedigree.
- Testing
- Brand 'lab verified' (not an independent certification)
Value per day
15% of scoreRoughly $0.28 per capsule across 60 capsules — mid-tier value. More expensive per serving than the 120-count value picks, but you're paying for the enteric coating and the bundled cofactors, which is a defensible premium for the buyer who needs them.
- Count
- 60 enteric-coated veg capsules
- Cost
- $17 / bottle = ~$0.28 per 100 mg capsule
Real-world mood/sleep response
10% of scoreFor the nausea-prone, the enteric coating is the difference between tolerating 5-HTP and abandoning it — a real-world response advantage, with the cofactors as a supportive extra. Note absorption can be slowed for some users by the coating. Felt mood/appetite response is individual and the evidence base is modest, so we keep this measured.
- More Specs
- Coating
- Enteric-coated VegCaps (the only one on the list)
- Best for
- Nausea-prone buyers who want enteric protection + cofactors
- Safety
- Do not combine with SSRIs/SNRIs, MAOIs, triptans or other serotonergic drugs
Label verified. Every figure read from the Supplement Facts photo, Sep 7, 2026.
Marketing Claims Vs. Reality
Enteric-coated to support absorption and reduce stomach upset.
This is the genuinely enteric-coated product on the list — the coating is designed to survive stomach acid and release the 5-HTP lower in the GI tract, which is the recognized approach to reducing the nausea 5-HTP can cause on stomach contact. The enteric-coating claim is accurate and is the product's core feature.
Includes 200 mg vitamin C and 25 mg B6 as conversion cofactors.
Matches the label — 200 mg vitamin C and 25 mg B6 are included. B6 is a genuine cofactor for the decarboxylase that converts 5-HTP to serotonin, and the doses are clearly stated, so the cofactor claim is accurate.
Lab verified for quality and potency.
Solaray does test the product, but 'lab verified' is the brand's own quality assurance, NOT an independent third-party certification. The claim is partially accurate — there is testing — but it should not be read as equivalent to outside certification like Thorne's (#3).
Supports a calm, positive mood.
Modest mechanistic basis via the serotonin-precursor pathway; the best mood evidence (Shaw 2002, PMID 12169147) showed a signal of benefit on a thin study base. Reasonable as a supportive claim, overstated as a proven mood treatment.
What Our Test Actually Found
The enteric coating is the reason to buy — and it's the only one here
No other product on this list is genuinely enteric-coated. That coating is designed to carry the 5-HTP past stomach acid and release it lower in the GI tract, directly targeting the nausea that's the most common reason people abandon 5-HTP. If plain 5-HTP has bothered your stomach, this is the bottle built for you — a real, mechanism-based advantage rather than a marketing flourish.
It's also the most fully-featured single bottle
Beyond the coating, Solaray bundles 200 mg vitamin C and 25 mg B6 — the conversion cofactors — so it's the one product that combines the enteric form AND the cofactors in a single capsule. That makes it uniquely complete: you don't need a separate cofactor product, and you get the stomach protection on top. For the buyer who wants everything in one bottle, nothing else here matches it.
Testing is the weak spot — 'lab verified' isn't independent certification
The honest caveat: Solaray's 'lab verified' is its own quality claim, not an independent third-party certification. The product is tested, but the assurance comes from the brand rather than an outside certifier. If independent verification sits at the top of your priorities, Thorne (#3) is the certified pick. For Solaray, the enteric coating and cofactors are the value proposition — not the testing pedigree.
Enteric coatings cut both ways — and not everyone needs one
Two balancing points. First, enteric coatings can slow or blunt absorption for some users — the same barrier that protects the stomach can change the release profile. Second, if you tolerate plain 5-HTP without issue, you don't need the coating at all, and a cheaper non-coated bottle (NOW #1, ~$0.18/cap across 120) does the identical job. Solaray is a targeted pick for the nausea-prone, not a universal upgrade.
Stomach protection doesn't change the serotonin rule
Enteric coating addresses GI tolerance, not drug interactions. The core caution is unchanged: 5-HTP raises serotonin and must not be combined with antidepressants (SSRIs/SNRIs), MAOIs, triptans, tramadol, or other serotonergic drugs without a clinician's sign-off, because of serotonin-syndrome risk. If you take any of those or have a medical condition, clear it with your doctor first.
Full analysis: all pros & cons (8), buy if / skip if
- The only genuinely enteric-coated 5-HTP on the list — targets nausea directly
- Bundles 200 mg vitamin C and 25 mg B6 conversion cofactors
- The most fully-featured single bottle (enteric form + cofactors together)
- Griffonia-sourced, with a 60-day satisfaction guarantee
- The clear pick if plain 5-HTP has upset your stomach
- 'Lab verified' is a brand claim, not an independent third-party certification
- Only 60 count, and enteric coatings can slow/blunt absorption for some users
- Mid-tier value — pricier per capsule than the 120-count value picks
- Plain 5-HTP has upset your stomach and you want a coating designed to reduce that
- You want the B6/C conversion cofactors bundled in the same capsule
- You want the most fully-featured single 5-HTP bottle and will pay a bit more for it
- You're not on any antidepressant or other serotonergic medication
- You tolerate plain 5-HTP fine — a cheaper non-coated bottle (NOW #1) does the job
- Independent third-party certification is your priority — Thorne (#3) is certified
- You want maximum value or a large bottle — the 60-count premium isn't the cheapest
The only genuinely enteric-coated 5-HTP on the list, designed to bypass stomach acid and reduce the most common side effect — plus 200 mg vitamin C and 25 mg B6 cofactors. The most fully-featured single bottle here. Trade-offs: 60 count, enteric coatings can blunt absorption for some, and 'lab verified' is a brand claim not an independent certification. Buy it if 5-HTP upsets your stomach. Do NOT combine with antidepressants or other serotonergic drugs without a doctor's sign-off.
Solaray 5-HTP is the targeted answer to the single most common reason people quit 5-HTP: nausea. It's the only genuinely enteric-coated product on the list — the coating is designed to carry the dose past stomach acid and release it lower in the GI tract, which is exactly the mechanism aimed at reducing stomach upset. On top of that, it bundles 200 mg vitamin C and 25 mg B6, the cofactors involved in converting 5-HTP to serotonin, making it the most fully-featured single bottle here. The trade-offs are honest and specific. It's a 60-count bottle, so the runway is shorter than the 120-count value picks; enteric coatings can slow or blunt absorption for some people; and Solaray's 'lab verified' is the brand's own claim, not an independent third-party certification like Thorne's (#3). None of that undermines its core value for the nausea-prone buyer. And the universal rule applies: 5-HTP raises serotonin, so no combining it with antidepressants or other serotonergic drugs without a clinician's sign-off. Here's the full breakdown.
The enteric-coated pick — buy it specifically for stomach tolerance.
Solaray 5-HTP earns its spot by solving a real problem the rest of the list ignores: it's the only genuinely enteric-coated option, designed to carry the dose past stomach acid and reduce the nausea that's the most common reason people quit 5-HTP. Add the 200 mg vitamin C and 25 mg B6 cofactors, and it's also the most fully-featured single bottle here. For the nausea-prone buyer, it's the obvious choice. The reasons to skip it are specific and honest. If you tolerate plain 5-HTP fine, you don't need the coating — NOW (#1) gives you the same dose for less across a bigger bottle. If independent third-party certification is your priority, note that Solaray's 'lab verified' is a brand claim, not outside certification, and Thorne (#3) is the certified pick. And the non-negotiable for every 5-HTP applies: do not combine it with antidepressants or other serotonergic drugs without a clinician's sign-off. Buy Solaray when GI tolerance is your deciding factor — that's exactly what it's built for.
If This Doesn’t Fit — Try These
02Doctor's Best 5-HTP Enhanced
This is the pick when you want the conversion pathway fully fed without paying more for it.
01NOW 5-HTP 100 mg
If you just want to try 5-HTP without overthinking it, this is the bottle.
06Solaray 5-HTP Enteric Coated
If 5-HTP upsets your stomach — the most common complaint with it — Solaray is the targeted answer: it's the one product here that's actually enteric-coated, designed to carry the dose past stomach acid and release it lower down, and it throws in the B6 and C cofactors too.
Quick Answers
Can I take this with my antidepressant?
Not without your prescriber's explicit sign-off. Enteric coating changes WHERE the dose releases, not the pharmacology: 5-HTP is a direct serotonin precursor, and combined with an SSRI, SNRI, MAOI, triptan, tramadol, or other serotonergic drug it can cause serotonin syndrome — a serious and occasionally life-threatening reaction. Memorial Sloan Kettering and US Poison Control warn against the combination, and Drugs.com flags 5-HTP + SSRIs as 'major.' If you take any antidepressant or have a medical condition, clear 5-HTP with your doctor before using it at all.
What does enteric coating actually do for me?
It's designed to protect the capsule from stomach acid so the 5-HTP releases lower in your GI tract rather than in the stomach — which matters because nausea is the most common 5-HTP side effect, and it tends to come from stomach exposure. If plain 5-HTP has upset your stomach, this is the pick built specifically to address that. Two honest caveats: enteric coatings can slow or blunt absorption for some people, and not everyone needs one — if you tolerate plain 5-HTP fine, a cheaper non-coated bottle works just as well.
Is 'lab verified' the same as third-party certified?
No, and it's worth being clear. Solaray markets this as 'lab verified,' which is the brand's own quality claim — it is not the same as an independent third-party certification from an outside body. That doesn't mean it's untested; it means the assurance comes from Solaray rather than an independent certifier. If independent certification is your top priority, Thorne (#3) is the third-party-certified pick. For the enteric coating and cofactors specifically, Solaray is still the standout.
Do the B6 and C matter on top of the coating?
They're a sensible bonus. Vitamin B6 (25 mg) is a cofactor for the enzyme that converts 5-HTP to serotonin, and vitamin C (200 mg) supports monoamine synthesis — so they help ensure the conversion pathway isn't cofactor-limited. They're not the main reason to buy this (the enteric coating is), but getting them bundled in means you don't need a separate B6/C product. It makes Solaray the most fully-featured single bottle here, even if it's not the cheapest.
What dose should I start with?
One capsule (100 mg) daily. You can take an enteric-coated 5-HTP with or without food, though with food is never wrong; the coating is doing the stomach-protection work either way. Start at a single 100 mg dose, give it a few weeks, and don't escalate without understanding the serotonergic-drug safety caveat. And remember the evidence is modest: 5-HTP is a reasonable experiment, not a proven drug — significant mood symptoms warrant a clinician, not a supplement.
Sources & Further Reading
3 peer-reviewed sources, each linked to PubMed
- [1] Shaw 2002 (Cochrane) PMID 12169147 — Tryptophan and 5-hydroxytryptophan for depression. Of 108 studies on 5-HTP/tryptophan for depression, only 2 met the quality bar; pooled they favored 5-HTP/tryptophan over placebo, but the authors stressed the evidence was insufficient. The honest anchor for the mood claim.
- [2] Cangiano 1992 PMID 1384305 — Eating behavior and adherence to dietary prescriptions in obese adult subjects treated with 5-hydroxytryptophan. Double-blind RCT, 20 obese subjects, 5-HTP 900 mg/day: significant weight loss, reduced carbohydrate intake, early satiety. Behind the appetite/weight use case — small study, high dose.
- [3] Cangiano 1998 PMID 9705024 — Effects of oral 5-hydroxy-tryptophan on energy intake and macronutrient selection in non-insulin dependent diabetic patients. In overweight NIDDM patients, oral 5-HTP decreased energy intake and produced weight loss. Reinforces the appetite/satiety mechanism in a second small clinical population.
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