Introduction
Alkaslim Weight loss Review: Stalled scales. A waistband that digs in by 3 p.m. A sugar craving that hijacks your willpower the second dinner ends. Sound familiar? Roughly 70% of U.S. adults carry excess weight, and most of them have already cycled through two or three diets that worked for a month and then quietly failed. The frustration isn’t laziness — it’s biology pushing back against restriction.
That pushback is exactly the gap this AlkaSlim review sets out to examine. People keep typing one stubborn question into search bars: does AlkaSlim really help with stubborn weight loss, or is it just another capsule with a fancy label? We put the formula under a microscope instead of a hype machine, and we’ll separate the fiber science that holds water from the alkalizing story that doesn’t.
AlkaSlim positions itself as an alkalizing, fiber-based weight management supplement. The pitch: neutralize excess acidity, calm cravings, and let your body handle fat on its own terms — no jittery thermogenics, no starvation menus. Whether that pitch survives contact with the evidence is the whole point of the next few thousand words.
Check the current AlkaSlim’s bundle options
Quick Verdict & Key Takeaways
| Metric | Detail |
|---|---|
| Overall rating | 3.6 / 5 (editorial) |
| Best for | Stimulant-sensitive adults wanting fiber-based satiety support |
| Price range | $49 – $69 per bottle (bundle dependent) |
| Guarantee | 60-day money-back window |
| Stimulants | None declared |
One-line verdict: AlkaSlim leans on a sensible fiber-and-satiety stack, but the “alkalizing burns fat” angle is marketing, not medicine — buy it for the glucomannan and L-arabinose logic, not the pH promise.
USP callout:
- 100% stimulant-free blend of dietary fibers plus alkalizing plant extracts.
- Dual satiety logic: gel expansion in the stomach plus sucrose-breakdown inhibition.
- Single-capsule daily habit backed by a 60-day refund window.
Check the current Alka Slim bundle options
What Is AlkaSlim? & Is It a Scam or Legit?
Overview & Who It’s Actually For
AlkaSlim is a dietary supplement sold as capsules on its official storefront. It targets adults wrestling with slow-feeling metabolism, post-meal bloating, and nagging cravings who’d rather not mainline caffeine to feel results. In plain terms, it’s a fiber-forward, stimulant-free formula — a calmer cousin to the heart-racing fat burners crowding the shelf.
The Problem It Claims to Solve
The brand’s stated enemy is a four-headed one: stalled weight loss, abdominal bloating, low daytime energy, and intense sugar cravings — all blamed on excess body acidity paired with weak satiety signals. We’ll treat that as a claim, then weigh the proof section by section. The satiety half has real legs; the acidity half, as you’ll see, does not.
Manufacturer Background & Transparency
The product is made in the USA inside an FDA-registered, GMP-certified facility, and the official page displays GMP, FDA-facility, natural-ingredient, made-in-USA, and non-GMO badges. What the page does not offer is a detailed corporate history, a named scientific advisory board, or a publicly posted certificate of analysis. That’s a transparency gap worth naming, not a scandal — but it does cap how confidently we can vouch for batch-level consistency.
Legit Check: Red Flags We Looked For
We screened for the usual warning signs: hidden autoship traps, no refund path, anonymous ownership, and impossible before/after photos. The 60-day refund window and the official-only sales channel are genuine positives. The main caution is label clarity, which we dig into next.
| AlkaSlim — Real Customer Experience Advanced Formula • 60 Capsules • Stimulant-Free |
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Made in USA • GMP Certified • FDA-Registered Facility • Non-GMO |

The Science — Deep-Dive Ingredient & Mechanism Analysis
How It’s Supposed to Work
The formula runs on three rails. First, a water-soluble fiber swells into a gel in your stomach, stretching the wall and firing an early satiety signal before you overeat. Second, a sugar-metabolism ingredient slows the enzyme that splits table sugar, blunting the glucose spike that drives the next craving. Third, prebiotic fiber feeds the gut microbiome, nudging digestive regularity and short-chain fatty acid output. The “alkalizing” layer is layered on top as a marketing frame rather than a fourth proven mechanism.
AlkaSlim Active Ingredients Breakdown
The official capsule page spotlights four heroes: Konjac Glucomannan, Baobab Fiber, L-Arabinose, and Spermidine. Here’s what each is meant to do, and how the evidence stacks up.
How Konjac Glucomannan Promotes Early Physical Satiety
Konjac glucomannan is a water-soluble fiber pulled from the konjac root. Swallowed with water, it can absorb many times its weight in fluid and form a viscous gel. That gel delays gastric emptying and physically fills space, so the brain registers “enough” sooner. This is the single most evidence-backed move in the entire bottle — and it’s also the reason the hydration rule later in this article is non-negotiable.
Blocking Sugar Absorption: The Role of L-Arabinose
L-arabinose is a five-carbon sugar that competitively inhibits intestinal sucrase, the enzyme that chops sucrose into absorbable glucose and fructose. Block the enzyme, slow the spike, soften the crash, quiet the craving. It’s a glucose absorption inhibitor by design, not by accident.
Gut Microbiome Support Through Prebiotic Baobab Fiber
Baobab fruit pulp is rich in soluble fiber and polyphenols. As a prebiotic fiber it resists digestion in the upper gut and ferments lower down, feeding beneficial bacteria and supporting digestive regularity. Think of it as gut health digestion support with a side of glycemic moderation.
Cellular Health and Autophagy: Spermidine’s Unique Function
Spermidine is a polyamine tied to autophagy — the cell’s housekeeping routine that clears damaged components. It’s a genuinely interesting molecule for cellular health and longevity research. For weight loss at the dose in a daily capsule, though, the human data simply isn’t there yet, and we’ll say so plainly below.
How AlkaSlim Balances Body pH Levels
The brand frames the product as a body pH balance supplement and a natural fat burning formula driven by alkalinity. Here’s the honest physiology: your blood pH is held in a razor-thin range by your kidneys and lungs, and no capsule meaningfully shifts it. The “alkalize to burn fat” chain is a marketing narrative grafted onto a fiber product — pleasant to read, thin on proof.
Bioavailability & Delivery-Method Trade-offs
Capsules protect actives from stomach acid and standardize the swallow, which suits a once-daily habit. The trade-off is that viscous fibers like glucomannan need enough water outside the capsule to gel safely; a dry swallow is exactly what you don’t want. Powder formats mix into liquid by default, which is why the hydration point matters more for capsules than many shoppers realize.
Claim vs Evidence — Marketing vs Proof
| Manufacturer claim | Evidence strength | Plain-English read |
|---|---|---|
| Gel expansion drives physical satiety & appetite control | Strong human evidence | Real mechanism, dose- and water-dependent |
| L-arabinose blunts post-meal sugar spikes from sucrose | Strong human evidence | Solid for sucrose specifically |
| Alkalizing body pH restores rapid fat burning | Marketing-only | Blood pH isn’t shifted by a pill |
| Spermidine triggers systemic autophagy for weight loss | No human trial at this dose | Interesting molecule, unproven for slimming here |
We will not dress the marketing rows up as proof. The fiber and sugar rows earn their keep; the pH and spermidine-for-weight-loss rows are hopes, not verdicts.
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Expert Lens
A gastroenterology and dietary fiber specialist would typically note that viscous fibers deliver their satiety benefit only when paired with adequate fluid, and that the same gel that fills the stomach can, in rare cases, obstruct the esophagus if swallowed dry or with too little liquid. That single clinical caveat, often skipped in glossy write-ups, is the difference between a helpful fiber and a choking hazard — which is exactly why we front-load it here.

See today’s official ingredient breakdown
Benefits & Realistic Expectations
What Users Can Realistically Expect
Strip away the alkalizing gloss and the realistic payoff is a craving control supplement that helps some people eat a little less, a little more calmly. The fiber dietary supplement core can ease the white-knuckle urge to raid the pantry, and the baobab-driven gut support may smooth out sluggish digestion. As a satiety enhancing capsule it’s coherent; as a magic fat-melter it’s not.
Many readers wonder how does AlkaSlim fiber create a feeling of fullness. The answer is mechanical, not mystical: water plus glucomannan equals a gel that stretches the stomach wall and trips stretch receptors that tell the brain the meal is done. Pair that with how does L-Arabinose in AlkaSlim block sugar absorption — by sitting in the sucrase enzyme’s active site so sucrose can’t be split as fast — and you get a sensible two-pronged appetite story.
Stimulant-Free Metabolism Support With AlkaSlim
For people who can’t tolerate caffeine, this is a non caffeine slimming capsule by design — no synthetic thermogenics, no 2 p.m. crash. That matters more than the marketing admits. Does AlkaSlim contain caffeine or synthetic thermogenics? Per the official page, no; it’s positioned as stimulant free weight loss, which is a real differentiator for stimulant-sensitive shoppers and a genuine GMP certified fat burner alternative for that crowd.
Does AlkaSlim Help With Bloating and Water Retention?
Can AlkaSlim reduce abdominal bloating and water weight? Sometimes, indirectly. Better regularity from prebiotic fiber can ease the “stuck” feeling, and eating slightly less via earlier satiety trims the post-meal distension many people mistake for fat. We’d call AlkaSlim bloating relief a plausible secondary effect, not a guaranteed one — and the first week can actually feel bloatier while the gut adapts to extra fiber.
Realistic Timeline for Results
How fast do you see results with AlkaSlim capsules? Fiber-driven appetite changes usually show up in days one to two weeks; visible scale movement, if it comes, tends to lag at four to eight weeks and only alongside a modest calorie gap. Expected timeline for AlkaSlim weight loss results is therefore “weeks, not weekends,” and anyone promising otherwise is selling a fantasy.
| AlkaSlim — Label Detail Advanced Formula • Dietary Supplement • 60 Capsules |
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FDA-Registered Facility • Natural Ingredients • 60-Day Guarantee |
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Dosage, Safety, Drug Interactions & Honest Limitations
Recommended Daily Dosage and Consistency
The official capsule protocol is a simple once-daily serve. How to take AlkaSlim with water before meals safely is the part that actually matters: take it with a full glass of water (think 250–300 ml, not a sip), ideally 15–30 minutes before a meal so the gel has time to form before food lands. AlkaSlim daily routine and water intake requirements boil down to one rule — never dry-swallow a viscous-fiber capsule, and keep sipping water across the day.
Common Side Effects
Are there any digestive side effects from taking AlkaSlim? Yes, and they’re predictable. New fiber loads commonly bring gas, mild bloating, and looser or firmer stools for the first one to two weeks while the microbiome recalibrates. Is AlkaSlim safe for daily long term use? For most healthy adults the ingredient types are well-tolerated long term, but the adaptation window is real — start low if you can, ramp slowly, and hydrate.
Specific Drug Interactions
Fiber can bind or delay the absorption of oral medications, so the practical rule is to separate AlkaSlim from prescription drugs by at least one to two hours. Glucomannan’s glycemic effect may stack with diabetes medications and push glucose lower than intended — a flag for anyone on insulin or sulfonylureas. We found no specific CYP3A4 or CYP2C19 inhibition signal tied to these four ingredients at supplement doses, but the binding-and-timing issue alone is enough to warrant a pharmacist chat if you take thyroid hormone, lithium, or narrow-window drugs. Potential interactions with AlkaSlim fiber ingredients are mostly about timing, not chemistry.
Safety Precautions & Who Should Avoid It
Who should avoid taking AlkaSlim capsules? People with a history of esophageal or intestinal narrowing, swallowing difficulties, or prior bowel obstruction should skip viscous-fiber capsules entirely unless a clinician signs off. Pregnant or nursing individuals and anyone on multiple medications should get a green light first. The choking-and-obstruction risk from dry glucomannan is rare but documented, and it’s the one safety point we refuse to soft-pedal.
Honest Limitations & Who Sees the Least Effect
Here’s the ceiling: AlkaSlim won’t out-eat a 3,000-calorie day, won’t fix a sedentary week, and won’t shift blood pH. People expecting a thermogenic “whoosh” will feel nothing, because there’s no stimulant to feel. Those with the least to gain are shoppers wanting rapid, diet-free fat loss — the product’s own copy hints you can skip extreme diets, but physics still demands a calorie gap for the scale to move.
Is AlkaSlim FDA Approved?
Short answer: no supplement is “FDA-approved” for weight loss, and AlkaSlim is no exception. The accurate statement is that it’s made in an FDA-registered, GMP-certified facility — a manufacturing and quality-system claim, not an efficacy endorsement. The FDA does not pre-approve dietary supplements the way it approves drugs. So when you see the badge, read it as “made under registered, audited conditions,” not as “the government says this melts fat.” That distinction is the line between informed buying and misplaced trust.

Aggregated User Feedback
Typical User Profile
Across publicly visible discussions and the official page’s stated 2000+ reviews (a marketing figure we report, not independently verify), the modal buyer skews female, roughly 35–60, motivated by stubborn midsection weight and bloating rather than athletic cutting. The recurring goal is “feel lighter and crave less,” not “drop 20 pounds in 30 days.”
What Most Verified Buyers Report
Positive trends cluster around three themes: fewer afternoon sugar attacks, a calmer appetite at dinner, and less post-meal heaviness once the gut adapts. Real AlkaSlim customer experience and results tend to be described as “subtle but useful” — a nudge, not a shove. Several commenters praise the lack of jitters, which tracks with the stimulant-free design. AlkaSlim customer reviews also frequently mention the refund process as straightforward when invoked.
The Most Common Complaints
The gripes are just as consistent: early-week gas and bloating, no dramatic scale drop when diet didn’t change, and confusion over exact milligram doses per capsule. What are the main ingredients inside AlkaSlim capsules is a question the label answers at the category level but not always at the per-ingredient milligram level on the page we reviewed — and that opacity frustrates detail-oriented buyers. A minority also report digestive side effects from taking AlkaSlim lingering past two weeks, usually tied to ramping the dose too fast.
Pros & Cons
| ✅ Pros | ⚠️ Cons |
|---|---|
| Stimulant-free, no caffeine crash — no jitters, no racing heart, no afternoon slump; a genuine win if caffeine spikes your anxiety or wrecks your sleep. | No per-capsule mg breakdown on the page reviewed — the four actives are named but not dosed in milligrams, so clinical-level dosing can’t be verified by a buyer. |
| Strong glucomannan satiety logic — the viscous gel stretches the stomach wall and trips fullness signals before you overeat; the single best-backed move in the bottle. | Alkalizing-fat-burn claim lacks evidence — blood pH is held steady by your kidneys and lungs, so a pill won’t shift it; that line is marketing, not medicine. |
| L-arabinose sucrase block is real science — it slows the enzyme that splits table sugar, softening the glucose spike that triggers the very next craving. | Early fiber adaptation can mean gas and bloating — week one or two may feel heavier, not lighter, while the gut adjusts to the extra fiber load. |
| 60-day refund window — return even the empty bottles if it doesn’t suit you; a genuinely low-risk way to test how your own body responds. | Spermidine-for-weight-loss is unproven at this dose — a fascinating molecule for cellular health, but no human slimming trial exists at a daily-capsule amount. |
| Made in an FDA-registered, GMP facility — audited manufacturing and quality systems; a real trust signal, just not an efficacy stamp. | Viscous fiber demands strict hydration — too little water turns a helpful fiber into a choking or obstruction risk; the one safety rule you cannot skip. |
Bottom line: the pros are mechanism-backed — they hold up against the published literature. The cons aren’t hidden dangers; they’re transparency gaps, expectation mismatches, and a hydration rule that most glossy write-ups quietly skip. Read it that way and the picture stays honest.
Where The Top Reviews Fall Short — And How AlkaSlim Stands Up
Most write-ups of this formula repeat the glossy three-mechanism story and stop. We went further on four fronts they routinely skip.
First, the hydration hazard. Viscous glucomannan swallowed with too little liquid is a documented esophageal-obstruction risk. We made that a headline safety rule, not a footnote.
Second, the finished-blend fallacy. Ingredient-level studies on glucomannan or L-arabinose do not equal a clinical trial on the AlkaSlim capsule itself. We state plainly that no human trial on the finished blend is presented, so the per-ingredient evidence can’t be borrowed as product proof.
Third, the cognitive-copy trap. Some marketing surfaces drift into energy and “feel your best” language that reads like a focus or mood claim. We refuse to recast that as a weight-loss feature; the core product is a fiber-and-satiety tool, full stop.
Fourth, dose transparency and the adaptation window. The official capsule page highlights four actives but doesn’t lay out a per-capsule milligram panel in the materials we reviewed, and an older powder-format label circulating online lists a vitamin-and-pea-protein blend that doesn’t match the capsule story. That inconsistency means buyers can’t verify clinical dosing, and the first-week gas/bloating ramp is rarely warned about elsewhere. We put both on the table.
Head-to-Head: AlkaSlim vs 3-4 Real Competitors
| Brand | Key Ingredients | Stimulant? | Approx. Price | Guarantee | Best For |
|---|---|---|---|---|---|
| ⭐ AlkaSlim | Glucomannan, Baobab, L-Arabinose, Spermidine | No | $49–$69 / bottle | 60 days | Stimulant-sensitive satiety support |
| Lipozene | Glucomannan only | No | ~$30 / bottle | ~30 days | Pure fiber fullness on a tight budget |
| PhenQ | Caffeine, capsicum, nopal | Yes | ~$70 / bottle | 60 days | Those who tolerate stimulants & want thermogenesis |
| LeanBiome | Probiotic strains | No | ~$59 / bottle | 180 days | A gut-microbiome-first approach |
Approximate prices as of July 2026; verify at checkout, as offers change. The honest read: a glucomannan purist on a tight budget might prefer a single-ingredient fiber product; a stimulant-tolerant cutter might prefer a thermogenic; a microbiome maximalist might prefer a probiotic. AlkaSlim’s niche is the person who wants fiber satiety plus a sugar-block angle without caffeine — a narrower but real lane. We make no false claims about any of these brands; each simply optimizes a different lever.
Want to see where AlkaSlim’s current bundle pricing lands against these? Check today’s official multi-bottle options →
| AlkaSlim ADVANCED FORMULA DIETARY SUPPLEMENT • 60 CAPSULES |
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60-Day Money-Back Guarantee • Stimulant-Free |
Pricing, Bundles, ROI, Availability & Where to Buy
Current Pricing & Bundle Tiers
As of July 2026, the official storefront lists three tiers: a single 30-day bottle at $69, a three-bottle 90-day bundle at $59 per bottle ($177 total), and a six-bottle 180-day bundle at $49 per bottle ($294 total) with free U.S. shipping. The page states roughly 95% of buyers pick the six-bottle option. Prices and stock can change, so treat these as a snapshot, not a promise.
Cost-Per-Effective-Dose / ROI Calculation
Here’s the math most reviews skip. At $49 per bottle on the six-pack, a 30-day supply costs $49, or about $1.63 per day. The realistic “effective” ingredient is the glucomannan-driven satiety. If that nudge trims even 200 kcal a day for a subset of users, the cost per averted calorie is tiny versus the cost of a single takeout meal. The ROI is positive only for people who actually eat less because of it — for non-responders, the cost-per-effective-dose is infinite. Honest framing beats hype every time.
Availability & Shipping Regions
AlkaSlim sells exclusively online through its official channel, with multi-bottle discounts and free shipping on the six-bottle order. Where is the official site to purchase AlkaSlim supplement? The brand’s own storefront — third-party marketplaces aren’t an authorized route, which matters for authenticity.
Where to Buy Authentic + ⚠️ Fake-Product Warning
⚠️ Fake-Product Warning: Fiber supplements are routinely counterfeited or relabeled on open marketplaces. To get the genuine formula and the real 60-day guarantee, buy only via the official source. Off-site listings may carry expired stock, wrong formulas, or no refund path at all.
Read our guide to spotting dietary supplements online
Money-Back Guarantee & Refund Process
60-Day Money-Back Guarantee: The official page promises a full refund within 60 days of purchase if you’re not satisfied — return all products, including empty bottles, for a complete refund, “no hassle, no questions asked, no fine print” per their copy. What is the refund policy for AlkaSlim 6-bottle packages? The same 60-day window applies; keep your order details and the original packaging to smooth the return. We’d still screenshot your order confirmation the day you buy — good hygiene, always.

Claim the current discount on the official site
Final Verdict — Should You Buy It?
This AlkaSlim review lands on a measured “yes, with eyes open.” The glucomannan-plus-L-arabinose core is grounded in real human evidence for satiety and sucrose moderation, and the stimulant-free design is a genuine win for caffeine-sensitive adults. The alkalizing-fat-burn narrative and the spermidine-for-slimming angle, however, are marketing hopes — pleasant, unproven, and not the reason to buy.
Buy It If… / Skip It If…
Buy it if you want a calm, caffeine-free appetite nudge, you’ll honor the water rule, and you understand it’s a support tool inside a calorie gap — not a replacement for one. Skip it if you expect rapid diet-free fat loss, you have swallowing or bowel-narrowing issues, you take narrow-window meds you can’t time around fiber, or you simply want the cheapest pure glucomannan on the shelf.
Alternatives Worth Considering
A single-ingredient glucomannan product suits the budget purist; a probiotic suits the microbiome-first buyer; a thermogenic suits the stimulant-tolerant cutter. None is universally “better” — they pull different levers. For the specific lane AlkaSlim occupies, the official channel with its refund window is the lowest-risk way to test whether your body responds.
Verify authenticity and order here
Frequently Asked Questions
What is AlkaSlim and how does it work?
AlkaSlim is a stimulant-free, fiber-based capsule that aims to support weight management through stomach-filling glucomannan gel, sucrose-blocking L-arabinose, and prebiotic baobab fiber, framed by an alkalizing marketing story.
What are the active ingredients in AlkaSlim?
The official capsule page highlights Konjac Glucomannan, Baobab Fiber, L-Arabinose, and Spermidine as the four headline actives.
Are there any known side effects of AlkaSlim?
Mostly mild, fiber-typical effects — gas, bloating, and stool changes during the first one to two weeks. The serious-but-rare risk is esophageal or intestinal obstruction if viscous fiber is swallowed with too little water.
How should AlkaSlim be taken for optimal results?
Once daily with a full glass of water, ideally 15–30 minutes before a meal, and never dry-swallowed. Keep hydrating across the day.
Does AlkaSlim contain caffeine or stimulants?
Per the official page, no. It’s marketed as a stimulant-free formula with no synthetic thermogenics.
How long does it take to see weight loss with AlkaSlim?
Appetite changes can appear within days to two weeks; visible scale movement, if any, usually needs four to eight weeks alongside a calorie gap.
Is AlkaSlim backed by a money-back guarantee?
Yes — the official page offers a 60-day money-back window, including empty bottles, per its stated terms.
Can AlkaSlim reduce abdominal bloating and water weight?
Possibly as a secondary effect via better regularity and slightly smaller meals, though the first week may feel bloatier during fiber adaptation.
Do you need to follow a diet while taking AlkaSlim?
The brand says extreme dieting isn’t required, but the scale only moves with a calorie gap — the capsule supports the gap, it doesn’t replace it.
Where is AlkaSlim manufactured and tested?
The official page states it’s made in the USA in an FDA-registered, GMP-certified facility; a public certificate of analysis wasn’t posted on the page we reviewed.
How does AlkaSlim differ from typical fat burners?
It carries no caffeine or thermogenic stimulants, so it works through satiety and sugar moderation rather than revving heart rate or metabolism.
Who is AlkaSlim recommended for?
Stimulant-sensitive adults seeking a fiber-based appetite and craving aid — not people with swallowing or bowel-narrowing conditions, and not those wanting rapid, diet-free fat loss.
Sources & References
Sood, N. & Baker, W. L. (2008). Effect of glucomannan on plasma lipid and glucose concentrations, body weight, and blood pressure: systematic review and meta-analysis. American Journal of Clinical Nutrition.
Vuksan, V. et al. (2008). Supplementation of conventional therapy with the konjac root fiber glucomannan improves serum lipid profiles in patients with type 2 diabetes. Diabetes Care.
Seri, K. et al. (1996). L-Arabinose selectively inhibits intestinal sucrase in an uncompetitive manner and suppresses glycemic response after sucrose ingestion. Metabolism.
Krog-Mikkelsen, I. et al. (2011). The effects of L-arabinose on intestinal sucrase activity: dose-response studies in vitro and in humans. The Journal of Nutrition.
Coe, S. A. et al. (2013). Baobab (Adansonia digitata L.) fruit pulp reduces the postprandial glycemic response and in vitro starch digestibility. Nutrition Research.
Gibson, G. R. & Roberfroid, M. B. (1995). Dietary modulation of the human colonic microbiota: introducing the concept of prebiotics. The Journal of Nutrition.
Eisenberg, T. et al. (2009). Induction of autophagy by spermidine promotes longevity. Nature Cell Biology.
Fenton, T. R. & Huang, T. (2016). Systematic review of the association between dietary acid load, alkaline water and cancer. BMJ Open.
