Home / Comparisons / Metabo Drops vs KeySlim Drops vs Viva Slim

Supplement Comparison · liquid metabolism drops

Metabo Drops vs KeySlim Drops vs Viva Slim

Three liquid drop formulas you add to water or coffee for metabolism and appetite support. Drops are convenient but doses are easy to hide — here’s how these three compare on ingredients and clarity.

Clarity 66/100

Metabo Drops

Clarity 60/100

KeySlim Drops

Clarity 65/100

Viva Slim

Quick verdict

Metabo Drops: Pick Metabo Drops for a coffee-companion drop with green tea and chlorogenic acid.
KeySlim Drops: Pick KeySlim Drops if you want L-carnitine and Gymnema for cravings.
Viva Slim: Pick Viva Slim for an African mango + L-carnitine appetite-and-metabolism angle.

At a glance

The headline numbers side by side. Clarity score reflects label transparency, not effectiveness.

	Metabo Drops	KeySlim Drops	Viva Slim
Format	Liquid Drops	Liquid Drops	Liquid Drops
Clarity score	66/100	60/100	65/100
Disclosed ingredients	4	6	7
Key ingredients	Green Tea Catechins, Chlorogenic Acid (Green Coffee), L-Carnitine, Botanical Liquid Blend	L-Carnitine, Green Tea EGCG, Chromium Picolinate, Gymnema Sylvestre	African Mango (Irvingia), L-Carnitine, L-Arginine, Maca Root
Starting price	$69	$49	$49
Guarantee	Money-back guarantee	Money-back guarantee	Money-back guarantee
Official site	Visit site	Visit site	Visit site

Metabo Drops, KeySlim Drops and Viva Slim: the full breakdown

A closer look at each formula — what it is, what’s inside, how transparent the label is, and who it suits.

Metabo Drops

Liquid DropsClarity 66/100

Metabo Drops is a liquid dietary supplement designed to be taken by dropper in coffee, water or a drink; it claims to speed up metabolism, support fat burning, and lift energy. It’s marketed as a convenient liquid metabolism booster, using ingredients like green tea catechins, chlorogenic acid, L-carnitine, and botanical liquid blend.

Key ingredients

Green Tea Catechins, Chlorogenic Acid (Green Coffee), L-Carnitine, Botanical Liquid Blend

Transparency

Label transparency is partial — some ingredients sit inside a proprietary blend, so not every dose is shown (66/100).

Starting price

$69

Guarantee

Money-back guarantee

Best for

Pick Metabo Drops for a coffee-companion drop with green tea and chlorogenic acid.

Full Metabo Drops breakdown → Official site

KeySlim Drops

Liquid DropsClarity 60/100

KeySlim Drops is a liquid dietary supplement designed to be taken by dropper in water or a drink; it claims to support metabolism, curb cravings, and aid fat burning. It’s marketed as a multi-ingredient liquid weight-loss formula, using ingredients like L-carnitine, green tea egcg, chromium picolinate, Gymnema sylvestre, and African mango.

Key ingredients

L-Carnitine, Green Tea EGCG, Chromium Picolinate, Gymnema Sylvestre, African Mango (Irvingia)

Transparency

Label transparency is partial — some ingredients sit inside a proprietary blend, so not every dose is shown (60/100).

Starting price

$49

Guarantee

Money-back guarantee

Best for

Pick KeySlim Drops if you want L-carnitine and Gymnema for cravings.

Full KeySlim Drops breakdown → Official site

Viva Slim

Liquid DropsClarity 65/100

Viva Slim is a liquid dietary supplement designed to be taken by dropper in water or a drink; it claims to support metabolism, manage appetite, and aid healthy weight. It’s marketed as a liquid metabolism-support formula, using ingredients like African mango, L-carnitine, L-arginine, maca root, and Rhodiola rosea.

Key ingredients

African Mango (Irvingia), L-Carnitine, L-Arginine, Maca Root, Rhodiola Rosea

Transparency

Label transparency is partial — some ingredients sit inside a proprietary blend, so not every dose is shown (65/100).

Starting price

$49

Guarantee

Money-back guarantee

Best for

Pick Viva Slim for an African mango + L-carnitine appetite-and-metabolism angle.

Full Viva Slim breakdown → Official site

How they compare

Approach & ingredients

Metabo Drops is built around Green Tea Catechins, Chlorogenic Acid (Green Coffee), L-Carnitine. KeySlim Drops is built around L-Carnitine, Green Tea EGCG, Chromium Picolinate. Viva Slim is built around African Mango (Irvingia), L-Carnitine, L-Arginine.

Label transparency

On label transparency, Metabo Drops leads at 66/100, while KeySlim Drops is the least transparent at 60/100. A higher clarity score means more of the doses are disclosed — it is not a measure of effectiveness.

Format & convenience

All 3 are the same format (liquid drops), so convenience comes down to taste and routine rather than how you take them.

Price & guarantee

Money-back windows: Metabo Drops — Money-back guarantee; KeySlim Drops — Money-back guarantee; Viva Slim — Money-back guarantee. Confirm current pricing on each official site, since promotions change often.

What they share & where they differ

What they share

L-Carnitine

Where they differ

Metabo Drops uniquely leans on Botanical Liquid Blend, Chlorogenic Acid (Green Coffee), Green Tea Catechins.
KeySlim Drops uniquely leans on African Mango (Irvingia), Chromium Picolinate, Green Tea Egcg, Gymnema Sylvestre.
Viva Slim uniquely leans on African Mango (Irvingia), Astragalus, L-Arginine, Maca Root.

Which should you choose?

No single formula is best for everyone. Here’s the short version of who each one suits:

Metabo Drops

Pick Metabo Drops for a coffee-companion drop with green tea and chlorogenic acid.

Read full Metabo Drops breakdown →

KeySlim Drops

Pick KeySlim Drops if you want L-carnitine and Gymnema for cravings.

Read full KeySlim Drops breakdown →

Viva Slim

Pick Viva Slim for an African mango + L-carnitine appetite-and-metabolism angle.

Read full Viva Slim breakdown →

Frequently asked questions

Are Metabo Drops, KeySlim Drops and Viva Slim the same?

No. They’re all weight-loss formulas in a similar category, but they differ in their ingredients, format and how transparent their labels are. Metabo Drops and Viva Slim take noticeably different approaches, which is exactly what this comparison breaks down.

Which one has the most transparent label?

Metabo Drops discloses the most about its ingredient doses (clarity 66/100). Remember our clarity score measures label transparency only — how openly doses are disclosed — not whether a product works.

Which is cheapest?

At the starting tier, KeySlim Drops is the most affordable entry point ($49). Per-bottle prices usually drop on multi-packs, and promotions change often, so check the current offer on each official site.

Can I take Metabo Drops, KeySlim Drops and Viva Slim together?

It’s generally not a good idea to stack similar formulas, because their ingredients can overlap — doubling up on stimulants, fibres or the same botanicals can mean more side effects, not better results. If you’re considering combining any supplements, talk to your doctor or pharmacist first.

Which should I choose?

There’s no single best pick for everyone — it depends on the format you’ll stick with, the ingredients you care about, and how much label transparency matters to you. The “Which should you choose?” section above gives a short recommendation for each option.

Do they come with a money-back guarantee?

Each is sold through its official website with its own refund policy. The guarantee windows are listed in the comparison table above — always confirm the current terms at checkout before you buy.

How long until I see results?

Any supplement in this category is, at best, a minor helper alongside diet, activity and sleep — not a quick fix. Realistic timelines are weeks to months of consistent use, and individual results vary. This is general information, not medical advice.

Keep comparing

How to read this comparison: SourceLean compares formulas on disclosed ingredients, label transparency and format — not on guaranteed results. Supplements are not a substitute for diet, activity or medical care, and individual results vary. Always check current pricing and the full label on the official site, and talk to your doctor before starting a new supplement.

Compare smarter, not harder

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Medical disclaimer: SourceLean provides educational information about dietary supplements and their ingredients. Nothing on this site is medical advice, and these statements have not been evaluated by the FDA. Supplements are not intended to diagnose, treat, cure, or prevent any disease. Dietary supplements are not subject to the same strict pre-market testing as prescription drugs. Always consult your doctor before starting any supplement — especially if you take medications, are pregnant or breastfeeding, or have a health condition.

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