Vitamins & Supplements

A community-tested supplement stack for 7-OH and kratom-synthetic withdrawal and PAWS — what to start with, what to skip.

If you only do a few things, do these. Scroll down for dosing details, brands, and the why behind each one.

Start with these (foundational, low-risk, broadly useful)

SupplementWhenHelps with
Magnesium glycinateEveningRestless legs, muscle tension, anxiety, sleep
Vitamin C (or liposomal)Daily, splitOxidative stress, adrenal support, withdrawal severity
Electrolytes (LMNT, etc.)Throughout dayHydration, fatigue, the “shaky” feeling
B-complex (methylated)MorningEnergy, mood, nervous-system function
Vitamin D3 + K2DailyMood regulation, baseline deficiency
Omega-3 (EPA/DHA)Daily, with foodDopamine support, inflammation

Add if sleep is a problem

SupplementWhenNotes
L-theanineAs neededCalm without sedation, 100–200 mg
GlycineBefore bed3 g, improves sleep quality
MelatoninBedtime0.3–1 mg (lower than you’d think)

Add if mood / motivation / “PAWS” is the issue

SupplementWhenNotes
L-tyrosineMorningDopamine precursor, 500–1500 mg, avoid PM
NACDaily600–1200 mg, glutamate/cravings, well-tolerated
RhodiolaMorning200–400 mg, fatigue & stress tolerance
AshwagandhaDaily300–600 mg, cortisol regulation

Add for specific physical symptoms

SymptomSupplement
Muscle crampsCalcium + magnesium
NauseaGinger or peppermint
Low immunity / energyZinc 15–30 mg with food (short-term)
Body aches / inflammationBlack seed oil ~500 mg/day (thin evidence)

Avoid these

  • The compound that put you here: 7-OH, MGM-15, pseudo, or any stacked synthetic kratom product. “Just a little” restarts the cycle.
  • Phenibut: itself addictive with brutal withdrawal.
  • Kava: stresses the liver.
  • St. John’s Wort: interacts with SSRIs, birth control, many other meds.
  • 5-HTP / L-tryptophan if you’re on any serotonergic medication: serotonin syndrome can kill you (more below).
  • Anything “high-dose” unless a clinician told you specifically.

One rule, no exceptions: don’t start everything at once. Begin with the foundational six for a week, then add symptom-specific ones one at a time. Otherwise you won’t know what’s helping, what’s not, and what’s causing side effects.

The compounds we’re recovering from (7-OH, pseudo, MGM-15, and similar synthetics) hit the body harder than leaf kratom, and the recovery process tends to involve more nutrient depletion, more sleep disruption, and a longer PAWS tail. Supplements aren’t a substitute for time, sleep, food, hydration, and (when appropriate) MAT, but they can take some of the edge off.

Don’t want to assemble it yourself? Pre-packaged commercial kits like Quit Kit & QuitK bundle many of these supplements into morning/night packs. More expensive than building it yourself, but the convenience matters in early withdrawal.

A note on the Amazon links below. Products linked throughout the deep dives are starting points at the doses recommended, well-reviewed brands at fair prices, verified in stock at the time of last update. We are not Amazon affiliates and earn nothing from clicks or purchases. Substitute brands you already trust, buy elsewhere, or skip Amazon entirely; the supplements matter, not where you get them.

Foundational support (most people benefit, low risk)

Magnesium glycinate or threonate is probably the single most useful supplement for this. Helps with muscle tension, restless legs, anxiety, and sleep. Glycinate is gentler on the stomach; threonate crosses the blood-brain barrier better and may help more with anxiety and sleep specifically. Common dose range is 200 to 400 mg in the evening. Start low. Research suggests magnesium supplementation may reduce opioid withdrawal severity through NMDA receptor modulation. Magnesium citrate works too but is more likely to cause loose stools. Skip magnesium oxide (poorly absorbed).

Common Amazon picks (glycinate, ~200 mg dose):

Vitamin C, regular ascorbic acid at 500 to 2000 mg per day, divided into smaller doses. Supports adrenal function and helps with the oxidative stress that opioid withdrawal puts the body through. One older study on heroin withdrawal found that 10 to 16% of patients treated with vitamin C experienced major withdrawal symptoms compared to 56.6% in the untreated group. Cheap and well-tolerated. GI upset (loose stools) at higher doses is the main thing to watch for, which is the argument for the next bullet.

Common Amazon picks (pure 1,000 mg, no rose hips / additions):

Vitamin C, liposomal at higher doses is worth a separate mention because it’s significantly more useful in withdrawal than regular ascorbic acid for two reasons. First, liposomal encapsulation produces substantially higher plasma concentrations than equivalent oral doses of regular vitamin C, which matters because the doses some people target during acute withdrawal (3 to 6+ grams per day) cause GI distress with regular vitamin C but are much better tolerated in liposomal form. Second, the higher absorption means more of it gets to where it’s doing work on oxidative stress and adrenal support during the worst of withdrawal. Common community approach is liposomal C at 1 to 2 grams two or three times per day during acute withdrawal, scaling back to regular vitamin C maintenance once you’re past the worst. It’s more expensive than regular C, but the GI tolerance and absorption tradeoff is significant for people in heavy withdrawal. Look for brands with real phospholipid encapsulation, not just “liposomal” on the label as marketing.

For the full protocol, dose, preload, timing, and verified product links to LivOn / Quicksilver / Aurora and the cheaper sodium-ascorbate route, see Mega-Dose Vitamin C.

Electrolytes & hydration. Withdrawal involves a lot of fluid loss (sweating, GI symptoms). Plain water isn’t always enough. LMNT, Liquid IV, coconut water, or just adding salt and a squeeze of lemon to water can make a noticeable difference in how you feel. Harm reduction resources consistently recommend 2 to 3 liters of fluid daily during withdrawal.

Common Amazon picks:

B-complex vitamin with active forms (look for methylated B12 and B9/folate). Withdrawal and chronic opioid use both deplete B vitamins, and they’re involved in neurotransmitter production. Helps with energy, mood, and nervous system function during recovery.

Common Amazon picks (methylated forms):

Vitamin D3 (with K2). Most people are deficient anyway, and vitamin D plays a role in mood regulation and may help with psychological symptoms during withdrawal. One study on patients in methadone treatment found vitamin D supplementation improved withdrawal scale scores. Get tested if you can; otherwise 2000 to 5000 IU daily is a common range. Talk to a doctor about dosing if you haven’t had levels checked.

Common Amazon picks (5,000 IU D3 + K2 MK-7):

Omega-3 (EPA/DHA) at 1 to 2 grams combined daily. Low omega-3 levels are associated with depleted dopamine, and chronic opioid use depletes omega-3 stores. Supports mood and reduces inflammation.

Common Amazon pick:

  • Nordic Naturals Ultimate Omega, $33.30, 4.7★ (58,508 reviews); Amazon’s Choice and the de-facto category default. Higher EPA/DHA per softgel than most cheaper brands; third-party tested.

Rhodiola rosea at 200 to 400 mg in the morning. Adaptogen for fatigue, mood, and stress tolerance. Avoid if you have bipolar disorder.

Common Amazon picks:

Ashwagandha at 300 to 600 mg. Adaptogen that may help with cortisol regulation, which is often elevated in early recovery and can drive cravings. Avoid if you have hyperthyroidism or autoimmune conditions without checking with a doctor.

Common Amazon picks (KSM-66 standardization preferred):

Sleep & anxiety

L-theanine at 100 to 200 mg as needed. Promotes calm without sedation. Animal research suggests L-theanine attenuates opioid withdrawal signs and produces anxiolytic-like activity, and harm reduction guides list it as useful for general opioid withdrawal symptom reduction. Probably the most universally tolerated calming supplement on this list.

Common Amazon picks (200 mg capsules):

Glycine at 3 grams before bed. Improves sleep quality and falls in the “very safe” category. Can also be taken during the day for mild calming.

Common Amazon picks (powder form, cheaper per gram):

L-tryptophan or 5-HTP for sleep and mood. Precursors to serotonin. Important: do not combine with SSRIs, SNRIs, MAOIs, tramadol, or any serotonergic medication, because of serotonin syndrome risk. If you’re on antidepressants or any psych meds, skip these and ask your doctor.

Melatonin at low doses (0.3 to 1 mg). Most people take way too much. Lower doses are more effective for sleep onset and have fewer next-day effects.

Common Amazon picks (true low-dose options, most retail melatonin is 3–10 mg, way too high):

Valerian, passionflower, chamomile, lemon balm. Mild calming herbs. Commonly recommended for the anxiety and insomnia of withdrawal. Effects vary by person. Generally safe short-term but can be sedating, so don’t combine with alcohol or other sedatives.

Mood, motivation, and anhedonia (the PAWS stuff)

For the broader treatment picture for these symptoms, including the evidence-based interventions and prescription options, see Depression and Anhedonia. The supplements below are the community-discussed tier of that page.

L-tyrosine at 500 to 1500 mg in the morning. Precursor to dopamine and norepinephrine, supports synthesis of these neurotransmitters which become imbalanced during withdrawal. Helps with the flat, unmotivated, brain-foggy feeling that hangs around in early recovery. Don’t take if you have a history of mania, hyperthyroidism, or are on MAOIs. Don’t take in the evening (can disrupt sleep).

Common Amazon picks (500 mg capsules):

NAC (N-acetylcysteine) at 600 to 1200 mg. Modulates glutamate and normalizes glutathione, both of which are disrupted in opioid withdrawal. Listed in harm reduction guides as reducing brain stress tied to opioid withdrawal and potentially reducing cravings. Generally well-tolerated. Smells like sulfur, which is normal.

Common Amazon picks (600 mg capsules):

Physical symptoms

Zinc at 15 to 30 mg with food. Opioid users have lower zinc levels, and researchers have recommended zinc supplementation to reduce withdrawal symptoms. Don’t take long-term at high doses (depletes copper).

Common Amazon picks (zinc picolinate, 30 mg):

Ginger or peppermint for nausea.

Calcium with magnesium for muscle cramps if magnesium alone isn’t enough.

Black seed oil (Nigella sativa / thymoquinone) is a traditional remedy with thin direct evidence in opioid withdrawal. One small uncontrolled 2008 study in 35 opioid-dependent patients at 500 mg/day reported reduced withdrawal symptoms (Sangi et al., J Ayub Med Coll Abbottabad). Rodent data on thymoquinone (the active constituent) show attenuated morphine tolerance and dependence (Adnan et al. review, Iran J Basic Med Sci 2020). No human RCT has been published. The anti-inflammatory and antioxidant mechanisms overlap with the rationale for high-dose vitamin C in withdrawal. Community-discussed adjunct, not foundational; if you try it, pick a cold-pressed product with third-party testing for thymoquinone content (the active compound varies widely between brands).

Avoid

  • The compound that put you here: 7-OH, MGM-15, pseudo, or any stacked synthetic kratom product. “Just a little” restarts the cycle.
  • Phenibut. Itself addictive with brutal withdrawal. Avoid.
  • Kava. Stresses the liver, especially with other supplements or alcohol.
  • St. John’s Wort. Interacts with SSRIs, birth control, and many other meds.
  • High-dose anything. More is not better.

Interactions to check

  • On antidepressants/anxiolytics: especially careful with 5-HTP, L-tryptophan, St. John’s Wort, and SAM-e. Serotonin syndrome is real and dangerous.
  • Liver issues: be cautious with anything herbal.
  • Pregnant/nursing: most of this list isn’t established as safe. Talk to your OB.

Stacking

Don’t start everything at once. You won’t know what’s helping, what’s not, and what’s causing side effects. Start with foundational supplements (magnesium, vitamin C, B-complex, D, electrolytes, omega-3) for a week, then add symptom-specific ones one at a time.

Further reading

Last updated: View source on GitHub